164667964 has 6 divisors (see below), whose sum is σ = 288168944. Its totient is φ = 82333980.

The previous prime is 164667961. The next prime is 164667983. The reversal of 164667964 is 469766461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164667961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20583492 + ... + 20583499.

Almost surely, 2^164667964 is an apocalyptic number.

It is an amenable number.

164667964 is a deficient number, since it is larger than the sum of its proper divisors (123500980).

164667964 is a wasteful number, since it uses less digits than its factorization.

164667964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41166995 (or 41166993 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 164667964 is about 12832.3015862315. The cubic root of 164667964 is about 548.1124984374.

The spelling of 164667964 in words is "one hundred sixty-four million, six hundred sixty-seven thousand, nine hundred sixty-four".