11646541116 has 72 divisors (see below), whose sum is σ = 33667006464. Its totient is φ = 3325462560.

The previous prime is 11646541069. The next prime is 11646541129. The reversal of 11646541116 is 61114564611.

11646541116 is a `hidden beast` number, since 1 + 1 + 646 + 5 + 4 + 1 + 1 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405181 + ... + 432971.

It is an arithmetic number, because the mean of its divisors is an integer number (467597312).

Almost surely, 2^11646541116 is an apocalyptic number.

It is an amenable number.

11646541116 is an abundant number, since it is smaller than the sum of its proper divisors (22020465348).

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

11646541116 is a wasteful number, since it uses less digits than its factorization.

11646541116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29471 (or 29466 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 11646541116 in words is "eleven billion, six hundred forty-six million, five hundred forty-one thousand, one hundred sixteen".