161407674365 has 16 divisors (see below), whose sum is σ = 221499007488. Its totient is φ = 110609592576.

The previous prime is 161407674347. The next prime is 161407674391. The reversal of 161407674365 is 563476704161.

It is not a de Polignac number, because 161407674365 - 2¹⁰ = 161407673341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401212 + ... + 1512021.

It is an arithmetic number, because the mean of its divisors is an integer number (13843687968).

Almost surely, 2^161407674365 is an apocalyptic number.

It is an amenable number.

161407674365 is a deficient number, since it is larger than the sum of its proper divisors (60091333123).

161407674365 is a wasteful number, since it uses less digits than its factorization.

161407674365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914828.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 161407674365 in words is "one hundred sixty-one billion, four hundred seven million, six hundred seventy-four thousand, three hundred sixty-five".