161079045120 has 704 divisors, whose sum is σ = 688735257600. Its totient is φ = 34876293120.

The previous prime is 161079045119. The next prime is 161079045137. The reversal of 161079045120 is 21540970161.

161079045120 is a `hidden beast` number, since 16 + 107 + 90 + 451 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18381540 + ... + 18390300.

Almost surely, 2^161079045120 is an apocalyptic number.

161079045120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161079045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344367628800).

161079045120 is an abundant number, since it is smaller than the sum of its proper divisors (527656212480).

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

161079045120 is a wasteful number, since it uses less digits than its factorization.

161079045120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821 (or 8797 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 161079045120 in words is "one hundred sixty-one billion, seventy-nine million, forty-five thousand, one hundred twenty".