161093804464 has 20 divisors (see below), whose sum is σ = 312942791560. Its totient is φ = 80334374400.

The previous prime is 161093804429. The next prime is 161093804471. The reversal of 161093804464 is 464408390161.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13276737 + ... + 13288864.

It is an arithmetic number, because the mean of its divisors is an integer number (15647139578).

Almost surely, 2^161093804464 is an apocalyptic number.

It is an amenable number.

161093804464 is a deficient number, since it is larger than the sum of its proper divisors (151848987096).

161093804464 is a wasteful number, since it uses less digits than its factorization.

161093804464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26565988 (or 26565982 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 161093804464 in words is "one hundred sixty-one billion, ninety-three million, eight hundred four thousand, four hundred sixty-four".