161749608096 has 48 divisors (see below), whose sum is σ = 424702051200. Its totient is φ = 53902652928.

The previous prime is 161749608077. The next prime is 161749608107. The reversal of 161749608096 is 690806947161.

It is a tau number, because it is divible by the number of its divisors (48).

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, 161260 + ... + 591188.

It is an arithmetic number, because the mean of its divisors is an integer number (8847959400).

Almost surely, 2^161749608096 is an apocalyptic number.

161749608096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161749608096 is an abundant number, since it is smaller than the sum of its proper divisors (262952443104).

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

161749608096 is a wasteful number, since it uses less digits than its factorization.

161749608096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433861 (or 433853 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 161749608096 in words is "one hundred sixty-one billion, seven hundred forty-nine million, six hundred eight thousand, ninety-six".