164473724 has 24 divisors (see below), whose sum is σ = 298666368. Its totient is φ = 79168320.

The previous prime is 164473717. The next prime is 164473739. The reversal of 164473724 is 427374461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21062 + ... + 27794.

It is an arithmetic number, because the mean of its divisors is an integer number (12444432).

Almost surely, 2^164473724 is an apocalyptic number.

It is an amenable number.

164473724 is a deficient number, since it is larger than the sum of its proper divisors (134192644).

164473724 is a wasteful number, since it uses less digits than its factorization.

164473724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965 (or 6963 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 164473724 is about 12824.7309523436. The cubic root of 164473724 is about 547.8968983935.

The spelling of 164473724 in words is "one hundred sixty-four million, four hundred seventy-three thousand, seven hundred twenty-four".