22661356115663 has 8 divisors (see below), whose sum is σ = 22972907252400. Its totient is φ = 22349835292608.

The previous prime is 22661356115641. The next prime is 22661356115669. The reversal of 22661356115663 is 36651165316622.

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

It is not a de Polignac number, because 22661356115663 - 2⁶ = 22661356115599 is a prime.

It is a super-2 number, since 2×22661356115663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661356115669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6070973 + ... + 9065286.

It is an arithmetic number, because the mean of its divisors is an integer number (2871613406550).

Almost surely, 2^{22661356115663} is an apocalyptic number.

22661356115663 is a deficient number, since it is larger than the sum of its proper divisors (311551136737).

22661356115663 is a wasteful number, since it uses less digits than its factorization.

22661356115663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15156841.

The product of its digits is 6998400, while the sum is 53.

The spelling of 22661356115663 in words is "twenty-two trillion, six hundred sixty-one billion, three hundred fifty-six million, one hundred fifteen thousand, six hundred sixty-three".