188880664896 has 168 divisors, whose sum is σ = 674982794304. Its totient is φ = 49059901440.

The previous prime is 188880664873. The next prime is 188880664901. The reversal of 188880664896 is 698466088881.

188880664896 is a `hidden beast` number, since 1 + 8 + 8 + 8 + 80 + 66 + 489 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2084985 + ... + 2173688.

It is an arithmetic number, because the mean of its divisors is an integer number (4017754728).

Almost surely, 2^188880664896 is an apocalyptic number.

188880664896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

188880664896 is an abundant number, since it is smaller than the sum of its proper divisors (486102129408).

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

188880664896 is a wasteful number, since it uses less digits than its factorization.

188880664896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258709 (or 4258696 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 72.

It can be divided in two parts, 188880 and 664896, that added together give a square (853776 = 924²).

The spelling of 188880664896 in words is "one hundred eighty-eight billion, eight hundred eighty million, six hundred sixty-four thousand, eight hundred ninety-six".