188025197568 has 352 divisors, whose sum is σ = 556066076160. Its totient is φ = 56127651840.

The previous prime is 188025197537. The next prime is 188025197651. The reversal of 188025197568 is 865791520881.

It is a super-2 number, since 2×188025197568² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192451096 + ... + 192452072.

Almost surely, 2^188025197568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188025197568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278033038080).

188025197568 is an abundant number, since it is smaller than the sum of its proper divisors (368040878592).

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

188025197568 is a wasteful number, since it uses less digits than its factorization.

188025197568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 60.

The spelling of 188025197568 in words is "one hundred eighty-eight billion, twenty-five million, one hundred ninety-seven thousand, five hundred sixty-eight".