164156664 has 48 divisors (see below), whose sum is σ = 477397800. Its totient is φ = 46901568.

The previous prime is 164156659. The next prime is 164156677. The reversal of 164156664 is 466651461.

It is a happy number.

164156664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 68619 + ... + 70970.

Almost surely, 2^164156664 is an apocalyptic number.

164156664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164156664 is an abundant number, since it is smaller than the sum of its proper divisors (313241136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164156664 is a wasteful number, since it uses less digits than its factorization.

164156664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139612 (or 139601 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 164156664 is about 12812.3637163484. The cubic root of 164156664 is about 547.5446071952.

The spelling of 164156664 in words is "one hundred sixty-four million, one hundred fifty-six thousand, six hundred sixty-four".