164565000938 has 24 divisors (see below), whose sum is σ = 267347030688. Its totient is φ = 75938692752.

The previous prime is 164565000923. The next prime is 164565000991. The reversal of 164565000938 is 839000565461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 164565000892 and 164565000901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1857281 + ... + 1943867.

It is an arithmetic number, because the mean of its divisors is an integer number (11139459612).

Almost surely, 2^164565000938 is an apocalyptic number.

164565000938 is a deficient number, since it is larger than the sum of its proper divisors (102782029750).

164565000938 is a wasteful number, since it uses less digits than its factorization.

164565000938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92238 (or 92225 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 164565000938 in words is "one hundred sixty-four billion, five hundred sixty-five million, nine hundred thirty-eight", and thus it is an aban number.