164969660 has 12 divisors (see below), whose sum is σ = 346436328. Its totient is φ = 65987856.

The previous prime is 164969659. The next prime is 164969669. The reversal of 164969660 is 66969461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164969669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124222 + ... + 4124261.

It is an arithmetic number, because the mean of its divisors is an integer number (28869694).

Almost surely, 2^164969660 is an apocalyptic number.

164969660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164969660 is an abundant number, since it is smaller than the sum of its proper divisors (181466668).

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

164969660 is a wasteful number, since it uses less digits than its factorization.

164969660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248492 (or 8248490 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 164969660 is about 12844.0515414724. The cubic root of 164969660 is about 548.4470351965.

The spelling of 164969660 in words is "one hundred sixty-four million, nine hundred sixty-nine thousand, six hundred sixty".