188520775866084 has 24 divisors (see below), whose sum is σ = 439882032496480. Its totient is φ = 62840226887424.

The previous prime is 188520775866067. The next prime is 188520775866109. The reversal of 188520775866084 is 480668577025881.

It is a junction number, because it is equal to n+sod(n) for n = 188520775865997 and 188520775866015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43616787 + ... + 47743749.

Almost surely, 2^{188520775866084} is an apocalyptic number.

It is an amenable number.

188520775866084 is an abundant number, since it is smaller than the sum of its proper divisors (251361256630396).

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

188520775866084 is a wasteful number, since it uses less digits than its factorization.

188520775866084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933659 (or 7933657 counting only the distinct ones).

The product of its (nonzero) digits is 1445068800, while the sum is 75.

The spelling of 188520775866084 in words is "one hundred eighty-eight trillion, five hundred twenty billion, seven hundred seventy-five million, eight hundred sixty-six thousand, eighty-four".