189560968996 has 81 divisors (see below), whose sum is σ = 390449270001. Its totient is φ = 80292144576.

The previous prime is 189560968991. The next prime is 189560968997. The reversal of 189560968996 is 699869065981.

The square root of 189560968996 is 435386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 111349016100 + 78211952896 = 333690^2 + 279664^2 .

It is not an unprimeable number, because it can be changed into a prime (189560968991) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 835070235 + ... + 835070461.

Almost surely, 2^189560968996 is an apocalyptic number.

189560968996 is the 435386-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189560968996

189560968996 is an abundant number, since it is smaller than the sum of its proper divisors (200888301005).

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

189560968996 is an equidigital number, since it uses as much as digits as its factorization.

189560968996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 76.

The spelling of 189560968996 in words is "one hundred eighty-nine billion, five hundred sixty million, nine hundred sixty-eight thousand, nine hundred ninety-six".