164915479 has 4 divisors (see below), whose sum is σ = 165744400. Its totient is φ = 164086560.

The previous prime is 164915473. The next prime is 164915533. The reversal of 164915479 is 974519461.

164915479 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.

It is a cyclic number.

It is not a de Polignac number, because 164915479 - 2⁵ = 164915447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164915473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414162 + ... + 414559.

It is an arithmetic number, because the mean of its divisors is an integer number (41436100).

Almost surely, 2^164915479 is an apocalyptic number.

164915479 is a deficient number, since it is larger than the sum of its proper divisors (828921).

164915479 is an equidigital number, since it uses as much as digits as its factorization.

164915479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828920.

The product of its digits is 272160, while the sum is 46.

The square root of 164915479 is about 12841.9421817730. The cubic root of 164915479 is about 548.3869864527.

The spelling of 164915479 in words is "one hundred sixty-four million, nine hundred fifteen thousand, four hundred seventy-nine".