164789560 has 32 divisors (see below), whose sum is σ = 399299040. Its totient is φ = 60845184.

The previous prime is 164789531. The next prime is 164789563. The reversal of 164789560 is 65987461.

It is a self number, because there is not a number n which added to its sum of digits gives 164789560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164789563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157932 + ... + 158971.

It is an arithmetic number, because the mean of its divisors is an integer number (12478095).

Almost surely, 2^164789560 is an apocalyptic number.

164789560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164789560 is an abundant number, since it is smaller than the sum of its proper divisors (234509480).

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

164789560 is a wasteful number, since it uses less digits than its factorization.

164789560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316927 (or 316923 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 164789560 is about 12837.0385993032. The cubic root of 164789560 is about 548.2473797412.

The spelling of 164789560 in words is "one hundred sixty-four million, seven hundred eighty-nine thousand, five hundred sixty".