188664014 has 24 divisors (see below), whose sum is σ = 359128728. Its totient is φ = 73505040.

The previous prime is 188663989. The next prime is 188664017. The reversal of 188664014 is 410466881.

It is a super-2 number, since 2×188664014² = 71188220357184392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188664017) 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, 86429 + ... + 88584.

It is an arithmetic number, because the mean of its divisors is an integer number (14963697).

Almost surely, 2^188664014 is an apocalyptic number.

188664014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

188664014 is a deficient number, since it is larger than the sum of its proper divisors (170464714).

188664014 is a wasteful number, since it uses less digits than its factorization.

188664014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175040 (or 175033 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 188664014 is about 13735.5019566086. The cubic root of 188664014 is about 573.5390906375.

The spelling of 188664014 in words is "one hundred eighty-eight million, six hundred sixty-four thousand, fourteen".