189697268736 has 88 divisors (see below), whose sum is σ = 561791617040. Its totient is φ = 63232413696.

The previous prime is 189697268729. The next prime is 189697268737. The reversal of 189697268736 is 637862796981.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189697268737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402931 + ... + 3458226.

Almost surely, 2^189697268736 is an apocalyptic number.

189697268736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189697268736 is an abundant number, since it is smaller than the sum of its proper divisors (372094348304).

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

189697268736 is an equidigital number, since it uses as much as digits as its factorization.

189697268736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861186 (or 6861162 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The spelling of 189697268736 in words is "one hundred eighty-nine billion, six hundred ninety-seven million, two hundred sixty-eight thousand, seven hundred thirty-six".