11660147688 has 64 divisors (see below), whose sum is σ = 33620400000. Its totient is φ = 3300901632.

The previous prime is 11660147623. The next prime is 11660147771. The reversal of 11660147688 is 88674106611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300063 + ... + 336686.

It is an arithmetic number, because the mean of its divisors is an integer number (525318750).

Almost surely, 2^11660147688 is an apocalyptic number.

It is an amenable number.

11660147688 is an abundant number, since it is smaller than the sum of its proper divisors (21960252312).

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

11660147688 is a wasteful number, since it uses less digits than its factorization.

11660147688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636874 (or 636870 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 11660147688 in words is "eleven billion, six hundred sixty million, one hundred forty-seven thousand, six hundred eighty-eight".