164715560 has 32 divisors (see below), whose sum is σ = 390117600. Its totient is φ = 62418240.

The previous prime is 164715559. The next prime is 164715583. The reversal of 164715560 is 65517461.

It is a super-2 number, since 2×164715560² = 54262431412227200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164715560.

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, 107606 + ... + 109125.

It is an arithmetic number, because the mean of its divisors is an integer number (12191175).

Almost surely, 2^164715560 is an apocalyptic number.

164715560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164715560 is an abundant number, since it is smaller than the sum of its proper divisors (225402040).

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

164715560 is a wasteful number, since it uses less digits than its factorization.

164715560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216761 (or 216757 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 164715560 is about 12834.1559909485. The cubic root of 164715560 is about 548.1653025748.

The spelling of 164715560 in words is "one hundred sixty-four million, seven hundred fifteen thousand, five hundred sixty".