164667994 has 16 divisors (see below), whose sum is σ = 258019200. Its totient is φ = 78669360.

The previous prime is 164667983. The next prime is 164668033. The reversal of 164667994 is 499766461.

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, 70099 + ... + 72409.

It is an arithmetic number, because the mean of its divisors is an integer number (16126200).

Almost surely, 2^164667994 is an apocalyptic number.

164667994 is a deficient number, since it is larger than the sum of its proper divisors (93351206).

164667994 is a wasteful number, since it uses less digits than its factorization.

164667994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885.

The product of its digits is 1959552, while the sum is 52.

The square root of 164667994 is about 12832.3027551566. The cubic root of 164667994 is about 548.1125317234.

The spelling of 164667994 in words is "one hundred sixty-four million, six hundred sixty-seven thousand, nine hundred ninety-four".