164652525 has 36 divisors (see below), whose sum is σ = 295731072. Its totient is φ = 87570720.

The previous prime is 164652473. The next prime is 164652529. The reversal of 164652525 is 525256461.

164652525 is a `hidden beast` number, since 1 + 646 + 5 + 2 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 164652525 - 2²⁷ = 30434797 is a prime.

It is a super-2 number, since 2×164652525² = 54220907977751250, 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 164652525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164652529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 104292 + ... + 105858.

It is an arithmetic number, because the mean of its divisors is an integer number (8214752).

Almost surely, 2^164652525 is an apocalyptic number.

164652525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164652525 is a deficient number, since it is larger than the sum of its proper divisors (131078547).

164652525 is a wasteful number, since it uses less digits than its factorization.

164652525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2042 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 164652525 is about 12831.7000042863. The cubic root of 164652525 is about 548.0953678571.

The spelling of 164652525 in words is "one hundred sixty-four million, six hundred fifty-two thousand, five hundred twenty-five".