11816064624 has 160 divisors (see below), whose sum is σ = 38336435200. Its totient is φ = 3116268288.

The previous prime is 11816064593. The next prime is 11816064629. The reversal of 11816064624 is 42646061811.

It is a super-2 number, since 2×11816064624² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11816064629) 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, 186429 + ... + 241635.

It is an arithmetic number, because the mean of its divisors is an integer number (239602720).

Almost surely, 2^11816064624 is an apocalyptic number.

11816064624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11816064624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19168217600).

11816064624 is an abundant number, since it is smaller than the sum of its proper divisors (26520370576).

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

11816064624 is a wasteful number, since it uses less digits than its factorization.

11816064624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55252 (or 55232 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 11816064624 in words is "eleven billion, eight hundred sixteen million, sixty-four thousand, six hundred twenty-four".