188952816 has 60 divisors (see below), whose sum is σ = 528587448. Its totient is φ = 58136832.

The previous prime is 188952811. The next prime is 188952817. The reversal of 188952816 is 618259881.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188952811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3535 + ... + 19758.

Almost surely, 2^188952816 is an apocalyptic number.

188952816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

188952816 is an abundant number, since it is smaller than the sum of its proper divisors (339634632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188952816 is a wasteful number, since it uses less digits than its factorization.

188952816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330 (or 23311 counting only the distinct ones).

The product of its digits is 276480, while the sum is 48.

The square root of 188952816 is about 13746.0109122611. The cubic root of 188952816 is about 573.8315943782.

The spelling of 188952816 in words is "one hundred eighty-eight million, nine hundred fifty-two thousand, eight hundred sixteen".