11617073616 has 20 divisors (see below), whose sum is σ = 30010773632. Its totient is φ = 3872357856.

The previous prime is 11617073609. The next prime is 11617073617. The reversal of 11617073616 is 61637071611.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617073617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121011136 + ... + 121011231.

Almost surely, 2^11617073616 is an apocalyptic number.

11617073616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11617073616 is an abundant number, since it is smaller than the sum of its proper divisors (18393700016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11617073616 is a wasteful number, since it uses less digits than its factorization.

11617073616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242022378 (or 242022372 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 11617073616 in words is "eleven billion, six hundred seventeen million, seventy-three thousand, six hundred sixteen".