120565436166 has 48 divisors (see below), whose sum is σ = 298693103904. Its totient is φ = 34429946112.

The previous prime is 120565436083. The next prime is 120565436213. The reversal of 120565436166 is 661634565021.

120565436166 is a `hidden beast` number, since 1 + 2 + 0 + 56 + 5 + 436 + 166 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12046 + ... + 491198.

It is an arithmetic number, because the mean of its divisors is an integer number (6222772998).

Almost surely, 2^120565436166 is an apocalyptic number.

120565436166 is an abundant number, since it is smaller than the sum of its proper divisors (178127667738).

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

120565436166 is a wasteful number, since it uses less digits than its factorization.

120565436166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481165 (or 481162 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 120565436166 in words is "one hundred twenty billion, five hundred sixty-five million, four hundred thirty-six thousand, one hundred sixty-six".