164025964 has 6 divisors (see below), whose sum is σ = 287045444. Its totient is φ = 82012980.

The previous prime is 164025947. The next prime is 164025989. The reversal of 164025964 is 469520461.

It is a super-2 number, since 2×164025964² = 53809033732258592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20503242 + ... + 20503249.

Almost surely, 2^164025964 is an apocalyptic number.

It is an amenable number.

164025964 is a deficient number, since it is larger than the sum of its proper divisors (123019480).

164025964 is a wasteful number, since it uses less digits than its factorization.

164025964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41006495 (or 41006493 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 164025964 is about 12807.2621586348. The cubic root of 164025964 is about 547.3992519804.

It can be divided in two parts, 16402 and 5964, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 164025964 in words is "one hundred sixty-four million, twenty-five thousand, nine hundred sixty-four".