189932833536 has 72 divisors (see below), whose sum is σ = 511588835520. Its totient is φ = 62548141056.

The previous prime is 189932833529. The next prime is 189932833633. The reversal of 189932833536 is 635338239981.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 189932833536.

It is an unprimeable number.

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, 1426066 + ... + 1553553.

Almost surely, 2^189932833536 is an apocalyptic number.

189932833536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189932833536 is an abundant number, since it is smaller than the sum of its proper divisors (321656001984).

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

189932833536 is an equidigital number, since it uses as much as digits as its factorization.

189932833536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979721 (or 2979707 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 60.

The spelling of 189932833536 in words is "one hundred eighty-nine billion, nine hundred thirty-two million, eight hundred thirty-three thousand, five hundred thirty-six".