188828249808 has 60 divisors (see below), whose sum is σ = 536183813984. Its totient is φ = 57220680000.

The previous prime is 188828249783. The next prime is 188828249903. The reversal of 188828249808 is 808942828881.

It is a happy number.

It is a super-2 number, since 2×188828249808² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16250068 + ... + 16261683.

Almost surely, 2^188828249808 is an apocalyptic number.

It is an amenable number.

188828249808 is an abundant number, since it is smaller than the sum of its proper divisors (347355564176).

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

188828249808 is a wasteful number, since it uses less digits than its factorization.

188828249808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32511784 (or 32511767 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 66.

The spelling of 188828249808 in words is "one hundred eighty-eight billion, eight hundred twenty-eight million, two hundred forty-nine thousand, eight hundred eight".