5621274716161 has 24 divisors (see below), whose sum is σ = 6119266435200. Its totient is φ = 5161328954496.

The previous prime is 5621274716119. The next prime is 5621274716201. The reversal of 5621274716161 is 1616174721265.

It is not a de Polignac number, because 5621274716161 - 2²¹ = 5621272619009 is a prime.

It is a super-2 number, since 2×5621274716161² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621274716111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128885820 + ... + 128929426.

It is an arithmetic number, because the mean of its divisors is an integer number (254969434800).

Almost surely, 2^{5621274716161} is an apocalyptic number.

It is an amenable number.

5621274716161 is a deficient number, since it is larger than the sum of its proper divisors (497991719039).

5621274716161 is a wasteful number, since it uses less digits than its factorization.

5621274716161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47665 (or 47652 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The spelling of 5621274716161 in words is "five trillion, six hundred twenty-one billion, two hundred seventy-four million, seven hundred sixteen thousand, one hundred sixty-one".