161146313420664 has 64 divisors (see below), whose sum is σ = 473296864602240. Its totient is φ = 45075891864960.

The previous prime is 161146313420647. The next prime is 161146313420713. The reversal of 161146313420664 is 466024313641161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23477023582 + ... + 23477030445.

It is an arithmetic number, because the mean of its divisors is an integer number (7395263509410).

Almost surely, 2^{161146313420664} is an apocalyptic number.

It is an amenable number.

161146313420664 is an abundant number, since it is smaller than the sum of its proper divisors (312150551181576).

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

161146313420664 is a wasteful number, since it uses less digits than its factorization.

161146313420664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46954054060 (or 46954054056 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 161146313420664 in words is "one hundred sixty-one trillion, one hundred forty-six billion, three hundred thirteen million, four hundred twenty thousand, six hundred sixty-four".