161447313567 has 32 divisors (see below), whose sum is σ = 223687475200. Its totient is φ = 103467339360.

The previous prime is 161447313529. The next prime is 161447313623. The reversal of 161447313567 is 765313744161.

It is not a de Polignac number, because 161447313567 - 2⁷ = 161447313439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161447313067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11893218 + ... + 11906784.

It is an arithmetic number, because the mean of its divisors is an integer number (6990233600).

Almost surely, 2^161447313567 is an apocalyptic number.

161447313567 is a deficient number, since it is larger than the sum of its proper divisors (62240161633).

161447313567 is a wasteful number, since it uses less digits than its factorization.

161447313567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443.

The product of its digits is 1270080, while the sum is 48.

The spelling of 161447313567 in words is "one hundred sixty-one billion, four hundred forty-seven million, three hundred thirteen thousand, five hundred sixty-seven".