164852985475 has 24 divisors (see below), whose sum is σ = 208363212512. Its totient is φ = 129356870400.

The previous prime is 164852985457. The next prime is 164852985481. The reversal of 164852985475 is 574589258461.

It is not a de Polignac number, because 164852985475 - 2¹⁹ = 164852461187 is a prime.

It is a Duffinian 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, 80794 + ... + 579856.

Almost surely, 2^164852985475 is an apocalyptic number.

164852985475 is a deficient number, since it is larger than the sum of its proper divisors (43510227037).

164852985475 is a wasteful number, since it uses less digits than its factorization.

164852985475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499327 (or 499322 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 64.

The spelling of 164852985475 in words is "one hundred sixty-four billion, eight hundred fifty-two million, nine hundred eighty-five thousand, four hundred seventy-five".