161614311444634 has 8 divisors (see below), whose sum is σ = 242981331988500. Its totient is φ = 80620534115136.

The previous prime is 161614311444577. The next prime is 161614311444647. The reversal of 161614311444634 is 436444113416161.

It can be written as a sum of positive squares in 2 ways, for example, as 134706780005625 + 26907531439009 = 11606325^2 + 5187247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161614311444634² (a number of 29 digits) contains 22 as substring.

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, 93310802509 + ... + 93310804240.

Almost surely, 2^{161614311444634} is an apocalyptic number.

161614311444634 is a deficient number, since it is larger than the sum of its proper divisors (81367020543866).

161614311444634 is a wasteful number, since it uses less digits than its factorization.

161614311444634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186621607184.

The product of its digits is 1990656, while the sum is 49.

The spelling of 161614311444634 in words is "one hundred sixty-one trillion, six hundred fourteen billion, three hundred eleven million, four hundred forty-four thousand, six hundred thirty-four".