11639596068 has 36 divisors (see below), whose sum is σ = 29571682140. Its totient is φ = 3860168256.

The previous prime is 11639596037. The next prime is 11639596081. The reversal of 11639596068 is 86069593611.

11639596068 is a `hidden beast` number, since 1 + 16 + 39 + 596 + 0 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10561261824 + 1078334244 = 102768^2 + 32838^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 813523 + ... + 827706.

It is an arithmetic number, because the mean of its divisors is an integer number (821435615).

Almost surely, 2^11639596068 is an apocalyptic number.

11639596068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11639596068 is an abundant number, since it is smaller than the sum of its proper divisors (17932086072).

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

11639596068 is a wasteful number, since it uses less digits than its factorization.

11639596068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641436 (or 1641431 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 11639596068 in words is "eleven billion, six hundred thirty-nine million, five hundred ninety-six thousand, sixty-eight".