164706560 has 36 divisors (see below), whose sum is σ = 394526748. Its totient is φ = 65882112.

The previous prime is 164706551. The next prime is 164706587. The reversal of 164706560 is 65607461.

It can be written as a sum of positive squares in 2 ways, for example, as 100962304 + 63744256 = 10048^2 + 7984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164706560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63059 + ... + 65618.

Almost surely, 2^164706560 is an apocalyptic number.

164706560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164706560 is an abundant number, since it is smaller than the sum of its proper divisors (229820188).

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

164706560 is an equidigital number, since it uses as much as digits as its factorization.

164706560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128698 (or 128684 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 164706560 is about 12833.8053592845. The cubic root of 164706560 is about 548.1553185402.

Subtracting from 164706560 its reverse (65607461), we obtain a palindrome (99099099).

The spelling of 164706560 in words is "one hundred sixty-four million, seven hundred six thousand, five hundred sixty".