189553334608 has 40 divisors (see below), whose sum is σ = 400729235616. Its totient is φ = 86142883200.

The previous prime is 189553334603. The next prime is 189553334609. The reversal of 189553334608 is 806433355981.

It is a super-2 number, since 2×189553334608² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189553334603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766963 + ... + 983533.

Almost surely, 2^189553334608 is an apocalyptic number.

It is an amenable number.

189553334608 is an abundant number, since it is smaller than the sum of its proper divisors (211175901008).

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

189553334608 is a wasteful number, since it uses less digits than its factorization.

189553334608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221563 (or 221557 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 189553334608 in words is "one hundred eighty-nine billion, five hundred fifty-three million, three hundred thirty-four thousand, six hundred eight".