161479814155 has 16 divisors (see below), whose sum is σ = 220582704384. Its totient is φ = 112333782880.

The previous prime is 161479814099. The next prime is 161479814159. The reversal of 161479814155 is 551418974161.

It is not a de Polignac number, because 161479814155 - 2²³ = 161471425547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161479814159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63824749 + ... + 63827278.

It is an arithmetic number, because the mean of its divisors is an integer number (13786419024).

Almost surely, 2^161479814155 is an apocalyptic number.

161479814155 is a deficient number, since it is larger than the sum of its proper divisors (59102890229).

161479814155 is a wasteful number, since it uses less digits than its factorization.

161479814155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127652066.

The product of its digits is 1209600, while the sum is 52.

The spelling of 161479814155 in words is "one hundred sixty-one billion, four hundred seventy-nine million, eight hundred fourteen thousand, one hundred fifty-five".