161052605150664 has 32 divisors (see below), whose sum is σ = 402631963081920. Its totient is φ = 53684141689536.

The previous prime is 161052605150641. The next prime is 161052605150681. The reversal of 161052605150664 is 466051506250161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21676669 + ... + 28142195.

It is an arithmetic number, because the mean of its divisors is an integer number (12582248846310).

Almost surely, 2^{161052605150664} is an apocalyptic number.

It is an amenable number.

161052605150664 is an abundant number, since it is smaller than the sum of its proper divisors (241579357931256).

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

161052605150664 is a wasteful number, since it uses less digits than its factorization.

161052605150664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503429 (or 7503425 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 161052605150664 in words is "one hundred sixty-one trillion, fifty-two billion, six hundred five million, one hundred fifty thousand, six hundred sixty-four".