11616640602 has 144 divisors (see below), whose sum is σ = 28553902848. Its totient is φ = 3138186240.

The previous prime is 11616640561. The next prime is 11616640627. The reversal of 11616640602 is 20604661611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20132538 + ... + 20133114.

It is an arithmetic number, because the mean of its divisors is an integer number (198290992).

Almost surely, 2^11616640602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11616640602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14276951424).

11616640602 is an abundant number, since it is smaller than the sum of its proper divisors (16937262246).

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

11616640602 is a wasteful number, since it uses less digits than its factorization.

11616640602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 11616640602 in words is "eleven billion, six hundred sixteen million, six hundred forty thousand, six hundred two".