22616005605551 has 32 divisors (see below), whose sum is σ = 23949314949120. Its totient is φ = 21329244518400.

The previous prime is 22616005605533. The next prime is 22616005605587. The reversal of 22616005605551 is 15550650061622.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22616005605551 is a prime.

It is a super-2 number, since 2×22616005605551² (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 (22616005605451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66524066 + ... + 66863168.

It is an arithmetic number, because the mean of its divisors is an integer number (748416092160).

Almost surely, 2^{22616005605551} is an apocalyptic number.

22616005605551 is a deficient number, since it is larger than the sum of its proper divisors (1333309343569).

22616005605551 is a wasteful number, since it uses less digits than its factorization.

22616005605551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339567.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 22616005605551 in words is "twenty-two trillion, six hundred sixteen billion, five million, six hundred five thousand, five hundred fifty-one".