161404337024 has 32 divisors (see below), whose sum is σ = 367483090800. Its totient is φ = 69173286912.

The previous prime is 161404336993. The next prime is 161404337063. The reversal of 161404337024 is 420733404161.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90068489 + ... + 90070280.

Almost surely, 2^161404337024 is an apocalyptic number.

161404337024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

161404337024 is an abundant number, since it is smaller than the sum of its proper divisors (206078753776).

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

161404337024 is an equidigital number, since it uses as much as digits as its factorization.

161404337024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180138790 (or 180138778 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 161404337024 in words is "one hundred sixty-one billion, four hundred four million, three hundred thirty-seven thousand, twenty-four".