264161972 has 12 divisors (see below), whose sum is σ = 469183680. Its totient is φ = 130109496.

The previous prime is 264161971. The next prime is 264161983. The reversal of 264161972 is 279161462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264161971) 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, 492572 + ... + 493107.

It is an arithmetic number, because the mean of its divisors is an integer number (39098640).

Almost surely, 2^264161972 is an apocalyptic number.

It is an amenable number.

264161972 is a deficient number, since it is larger than the sum of its proper divisors (205021708).

264161972 is a wasteful number, since it uses less digits than its factorization.

264161972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985750 (or 985748 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 264161972 is about 16253.0603887391. The cubic root of 264161972 is about 641.6380338116.

The spelling of 264161972 in words is "two hundred sixty-four million, one hundred sixty-one thousand, nine hundred seventy-two".