164343625 has 16 divisors (see below), whose sum is σ = 214022016. Its totient is φ = 125756400.

The previous prime is 164343623. The next prime is 164343637. The reversal of 164343625 is 526343461.

It is not a de Polignac number, because 164343625 - 2¹ = 164343623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164343623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25707 + ... + 31456.

It is an arithmetic number, because the mean of its divisors is an integer number (13376376).

Almost surely, 2^164343625 is an apocalyptic number.

It is an amenable number.

164343625 is a deficient number, since it is larger than the sum of its proper divisors (49678391).

164343625 is an equidigital number, since it uses as much as digits as its factorization.

164343625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57201 (or 57191 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 164343625 is about 12819.6577567422. The cubic root of 164343625 is about 547.7523978221.

It can be divided in two parts, 1643436 and 25, that added together give a palindrome (1643461).

The spelling of 164343625 in words is "one hundred sixty-four million, three hundred forty-three thousand, six hundred twenty-five".