161432455914 has 48 divisors (see below), whose sum is σ = 350377522560. Its totient is φ = 53717489280.

The previous prime is 161432455897. The next prime is 161432455997. The reversal of 161432455914 is 419554234161.

161432455914 is a `hidden beast` number, since 1 + 6 + 14 + 3 + 2 + 45 + 591 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 161432455914.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50651829 + ... + 50655015.

It is an arithmetic number, because the mean of its divisors is an integer number (7299531720).

Almost surely, 2^161432455914 is an apocalyptic number.

161432455914 is an abundant number, since it is smaller than the sum of its proper divisors (188945066646).

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

161432455914 is a wasteful number, since it uses less digits than its factorization.

161432455914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195 (or 7192 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 161432455914 in words is "one hundred sixty-one billion, four hundred thirty-two million, four hundred fifty-five thousand, nine hundred fourteen".