11691652368 has 40 divisors (see below), whose sum is σ = 32949203616. Its totient is φ = 3542924800.

The previous prime is 11691652363. The next prime is 11691652391. The reversal of 11691652368 is 86325619611.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (11691652361) 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, 11071113 + ... + 11072168.

Almost surely, 2^11691652368 is an apocalyptic number.

It is an amenable number.

11691652368 is an abundant number, since it is smaller than the sum of its proper divisors (21257551248).

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

11691652368 is a wasteful number, since it uses less digits than its factorization.

11691652368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22143303 (or 22143297 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The spelling of 11691652368 in words is "eleven billion, six hundred ninety-one million, six hundred fifty-two thousand, three hundred sixty-eight".