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161330892932160 = 26325729275949119
BaseRepresentation
bin100100101011101011000110…
…100100001000010001000000
3210011020002020022120001111200
4210223223012210020101000
5132121221132042312120
61331042220011341200
745660525631432110
oct4453530644102100
9704202208501450
10161330892932160
1147450058199666
1216117011751800
136c03590174283
142bba657979040
15139b8c04a3e90
hex92bac6908440

161330892932160 has 336 divisors, whose sum is σ = 656052475852800. Its totient is φ = 35604059000832.

The previous prime is 161330892932159. The next prime is 161330892932179. The reversal of 161330892932160 is 61239298033161.

161330892932160 is a `hidden beast` number, since 1 + 6 + 1 + 3 + 308 + 9 + 2 + 9 + 321 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 161330892932097 and 161330892932106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137389920 + ... + 138559199.

Almost surely, 2161330892932160 is an apocalyptic number.

161330892932160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161330892932160 is an abundant number, since it is smaller than the sum of its proper divisors (494721582920640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161330892932160 is a wasteful number, since it uses less digits than its factorization.

161330892932160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275949178 (or 275949165 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 161330892932160 in words is "one hundred sixty-one trillion, three hundred thirty billion, eight hundred ninety-two million, nine hundred thirty-two thousand, one hundred sixty".