2654556668361 has 32 divisors (see below), whose sum is σ = 4244032128000. Its totient is φ = 1630162848384.

The previous prime is 2654556668347. The next prime is 2654556668371. The reversal of 2654556668361 is 1638666554562.

It is not a de Polignac number, because 2654556668361 - 2⁵ = 2654556668329 is a prime.

It is a super-2 number, since 2×2654556668361² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2654556668371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7726276 + ... + 8062533.

It is an arithmetic number, because the mean of its divisors is an integer number (132626004000).

Almost surely, 2^{2654556668361} is an apocalyptic number.

It is an amenable number.

2654556668361 is a deficient number, since it is larger than the sum of its proper divisors (1589475459639).

2654556668361 is a wasteful number, since it uses less digits than its factorization.

2654556668361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15789310 (or 15789304 counting only the distinct ones).

The product of its digits is 186624000, while the sum is 63.

The spelling of 2654556668361 in words is "two trillion, six hundred fifty-four billion, five hundred fifty-six million, six hundred sixty-eight thousand, three hundred sixty-one".