188149264 has 40 divisors (see below), whose sum is σ = 370826712. Its totient is φ = 92467200.

The previous prime is 188149259. The next prime is 188149277. The reversal of 188149264 is 462941881.

188149264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103876864 + 84272400 = 10192^2 + 9180^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 188149264.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279232 + ... + 279904.

Almost surely, 2^188149264 is an apocalyptic number.

It is an amenable number.

188149264 is a deficient number, since it is larger than the sum of its proper divisors (182677448).

188149264 is a wasteful number, since it uses less digits than its factorization.

188149264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 949 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 188149264 is about 13716.7512188565. The cubic root of 188149264 is about 573.0170017504.

The spelling of 188149264 in words is "one hundred eighty-eight million, one hundred forty-nine thousand, two hundred sixty-four".