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161164882858652 = 22113356559475351
BaseRepresentation
bin100100101001010000011111…
…100101111101001010011100
3210010122012201210022112120122
4210221100133211331022130
5132111011140002434102
61330434043003334112
745642531016203521
oct4451203745751234
9703565653275518
10161164882858652
11473967088a5302
12160aaa01221338
136bc0a24a2274a
142bb25c9b93148
15139740608e0a2
hex92941f97d29c

161164882858652 has 12 divisors (see below), whose sum is σ = 284534461330896. Its totient is φ = 79869322478400.

The previous prime is 161164882858621. The next prime is 161164882858657. The reversal of 161164882858652 is 256858288461161.

161164882858652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1611648828586522 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161164882858657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178279737224 + ... + 178279738127.

It is an arithmetic number, because the mean of its divisors is an integer number (23711205110908).

Almost surely, 2161164882858652 is an apocalyptic number.

It is an amenable number.

161164882858652 is a deficient number, since it is larger than the sum of its proper divisors (123369578472244).

161164882858652 is a wasteful number, since it uses less digits than its factorization.

161164882858652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356559475468 (or 356559475466 counting only the distinct ones).

The product of its digits is 353894400, while the sum is 71.

The spelling of 161164882858652 in words is "one hundred sixty-one trillion, one hundred sixty-four billion, eight hundred eighty-two million, eight hundred fifty-eight thousand, six hundred fifty-two".

Divisors: 1 2 4 113 226 452 356559475351 713118950702 1426237901404 40291220714663 80582441429326 161164882858652