164343455232625 has 32 divisors (see below), whose sum is σ = 205643818598400. Its totient is φ = 131126593435200.

The previous prime is 164343455232617. The next prime is 164343455232629. The reversal of 164343455232625 is 526232554343461.

It is not a de Polignac number, because 164343455232625 - 2³ = 164343455232617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164343455232629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1826338384 + ... + 1826428366.

It is an arithmetic number, because the mean of its divisors is an integer number (6426369331200).

Almost surely, 2^{164343455232625} is an apocalyptic number.

It is an amenable number.

164343455232625 is a deficient number, since it is larger than the sum of its proper divisors (41300363365775).

164343455232625 is an equidigital number, since it uses as much as digits as its factorization.

164343455232625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128530 (or 128520 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 55.

The spelling of 164343455232625 in words is "one hundred sixty-four trillion, three hundred forty-three billion, four hundred fifty-five million, two hundred thirty-two thousand, six hundred twenty-five".