2660613936 has 80 divisors (see below), whose sum is σ = 7112878080. Its totient is φ = 856097280.

The previous prime is 2660613931. The next prime is 2660613959. The reversal of 2660613936 is 6393160662.

It is not an unprimeable number, because it can be changed into a prime (2660613931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651196 + ... + 655268.

It is an arithmetic number, because the mean of its divisors is an integer number (88910976).

Almost surely, 2^2660613936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660613936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556439040).

2660613936 is an abundant number, since it is smaller than the sum of its proper divisors (4452264144).

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

2660613936 is a wasteful number, since it uses less digits than its factorization.

2660613936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4548 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 2660613936 is about 51581.1393437563. The cubic root of 2660613936 is about 1385.6725716345.

The spelling of 2660613936 in words is "two billion, six hundred sixty million, six hundred thirteen thousand, nine hundred thirty-six".