264149968 has 10 divisors (see below), whose sum is σ = 511790594. Its totient is φ = 132074976.

The previous prime is 264149959. The next prime is 264149971. The reversal of 264149968 is 869941462.

It can be written as a sum of positive squares in only one way, i.e., 161086864 + 103063104 = 12692^2 + 10152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8254671 + ... + 8254702.

Almost surely, 2^264149968 is an apocalyptic number.

It is an amenable number.

264149968 is a deficient number, since it is larger than the sum of its proper divisors (247640626).

264149968 is a wasteful number, since it uses less digits than its factorization.

264149968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16509381 (or 16509375 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 264149968 is about 16252.6911002455. The cubic root of 264149968 is about 641.6283145984.

The spelling of 264149968 in words is "two hundred sixty-four million, one hundred forty-nine thousand, nine hundred sixty-eight".