161469345159 has 32 divisors (see below), whose sum is σ = 242706585600. Its totient is φ = 106076043360.

The previous prime is 161469345109. The next prime is 161469345179. The reversal of 161469345159 is 951543964161.

161469345159 is a `hidden beast` number, since 1 + 6 + 146 + 9 + 345 + 159 = 666.

It is not a de Polignac number, because 161469345159 - 2²⁸ = 161200909703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161469345109) 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, 3934357 + ... + 3975185.

It is an arithmetic number, because the mean of its divisors is an integer number (7584580800).

Almost surely, 2^161469345159 is an apocalyptic number.

161469345159 is a deficient number, since it is larger than the sum of its proper divisors (81237240441).

161469345159 is a wasteful number, since it uses less digits than its factorization.

161469345159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42972 (or 42966 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 161469345159 in words is "one hundred sixty-one billion, four hundred sixty-nine million, three hundred forty-five thousand, one hundred fifty-nine".