165194430896 has 40 divisors (see below), whose sum is σ = 349201459200. Its totient is φ = 75079667520.

The previous prime is 165194430883. The next prime is 165194430997. The reversal of 165194430896 is 698034491561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611545 + ... + 1710983.

It is an arithmetic number, because the mean of its divisors is an integer number (8730036480).

Almost surely, 2^165194430896 is an apocalyptic number.

165194430896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165194430896 is an abundant number, since it is smaller than the sum of its proper divisors (184007028304).

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

165194430896 is a wasteful number, since it uses less digits than its factorization.

165194430896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108897 (or 108891 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 165194430896 in words is "one hundred sixty-five billion, one hundred ninety-four million, four hundred thirty thousand, eight hundred ninety-six".