188868066116 has 12 divisors (see below), whose sum is σ = 330551211900. Its totient is φ = 94424862720.

The previous prime is 188868066113. The next prime is 188868066133. The reversal of 188868066116 is 611660868881.

It can be written as a sum of positive squares in 2 ways, for example, as 56987238400 + 131880827716 = 238720^2 + 363154^2 .

It is a super-2 number, since 2×188868066116² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188868066113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246141 + ... + 2328708.

It is an arithmetic number, because the mean of its divisors is an integer number (27545934325).

Almost surely, 2^188868066116 is an apocalyptic number.

It is an amenable number.

188868066116 is a deficient number, since it is larger than the sum of its proper divisors (141683145784).

188868066116 is a wasteful number, since it uses less digits than its factorization.

188868066116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585174 (or 4585172 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 59.

The spelling of 188868066116 in words is "one hundred eighty-eight billion, eight hundred sixty-eight million, sixty-six thousand, one hundred sixteen".