164442560632 has 32 divisors (see below), whose sum is σ = 352414447200. Its totient is φ = 70467876864.

The previous prime is 164442560591. The next prime is 164442560687. The reversal of 164442560632 is 236065244461.

It is a congruent number.

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, 391048 + ... + 694120.

It is an arithmetic number, because the mean of its divisors is an integer number (11012951475).

Almost surely, 2^164442560632 is an apocalyptic number.

It is an amenable number.

164442560632 is an abundant number, since it is smaller than the sum of its proper divisors (187971886568).

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

164442560632 is a wasteful number, since it uses less digits than its factorization.

164442560632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312775 (or 312771 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 164442560632 in words is "one hundred sixty-four billion, four hundred forty-two million, five hundred sixty thousand, six hundred thirty-two".