164525315 has 4 divisors (see below), whose sum is σ = 197430384. Its totient is φ = 131620248.

The previous prime is 164525293. The next prime is 164525329. The reversal of 164525315 is 513525461.

164525315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513525461 = 89 ⋅5769949.

It is a cyclic number.

It is not a de Polignac number, because 164525315 - 2²⁰ = 163476739 is a prime.

It is a Duffinian 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, 16452527 + ... + 16452536.

It is an arithmetic number, because the mean of its divisors is an integer number (49357596).

Almost surely, 2^164525315 is an apocalyptic number.

164525315 is a deficient number, since it is larger than the sum of its proper divisors (32905069).

164525315 is an equidigital number, since it uses as much as digits as its factorization.

164525315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32905068.

The product of its digits is 18000, while the sum is 32.

The square root of 164525315 is about 12826.7421818636. The cubic root of 164525315 is about 547.9541792633.

The spelling of 164525315 in words is "one hundred sixty-four million, five hundred twenty-five thousand, three hundred fifteen".