188720214572 has 12 divisors (see below), whose sum is σ = 330846987576. Its totient is φ = 94192503840.

The previous prime is 188720214541. The next prime is 188720214577. The reversal of 188720214572 is 275412027881.

It is a super-2 number, since 2×188720214572² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188720214577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41898329 + ... + 41902832.

It is an arithmetic number, because the mean of its divisors is an integer number (27570582298).

Almost surely, 2^188720214572 is an apocalyptic number.

It is an amenable number.

188720214572 is a deficient number, since it is larger than the sum of its proper divisors (142126773004).

188720214572 is a wasteful number, since it uses less digits than its factorization.

188720214572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83801728 (or 83801726 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 188720214572 in words is "one hundred eighty-eight billion, seven hundred twenty million, two hundred fourteen thousand, five hundred seventy-two".