11617626616 has 8 divisors (see below), whose sum is σ = 21783049920. Its totient is φ = 5808813304.

The previous prime is 11617626613. The next prime is 11617626637. The reversal of 11617626616 is 61662671611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11617626616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617626611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726101656 + ... + 726101671.

It is an arithmetic number, because the mean of its divisors is an integer number (2722881240).

Almost surely, 2^11617626616 is an apocalyptic number.

It is an amenable number.

11617626616 is a deficient number, since it is larger than the sum of its proper divisors (10165423304).

11617626616 is a wasteful number, since it uses less digits than its factorization.

11617626616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452203333 (or 1452203329 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The spelling of 11617626616 in words is "eleven billion, six hundred seventeen million, six hundred twenty-six thousand, six hundred sixteen".