164026670664 has 32 divisors (see below), whose sum is σ = 420068305440. Its totient is φ = 53342006400.

The previous prime is 164026670651. The next prime is 164026670681. The reversal of 164026670664 is 466076620461.

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, 83345902 + ... + 83347869.

It is an arithmetic number, because the mean of its divisors is an integer number (13127134545).

Almost surely, 2^164026670664 is an apocalyptic number.

It is an amenable number.

164026670664 is an abundant number, since it is smaller than the sum of its proper divisors (256041634776).

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

164026670664 is a wasteful number, since it uses less digits than its factorization.

164026670664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166693821 (or 166693817 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 164026670664 in words is "one hundred sixty-four billion, twenty-six million, six hundred seventy thousand, six hundred sixty-four".