7439663616 has 160 divisors (see below), whose sum is σ = 24710704128. Its totient is φ = 1932349440.

The previous prime is 7439663599. The next prime is 7439663657. The reversal of 7439663616 is 6163669347.

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, 86821 + ... + 149723.

Almost surely, 2^7439663616 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 7439663616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12355352064).

7439663616 is an abundant number, since it is smaller than the sum of its proper divisors (17271040512).

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

7439663616 is a wasteful number, since it uses less digits than its factorization.

7439663616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62942 (or 62926 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 51.

The square root of 7439663616 is about 86253.4846600414. The cubic root of 7439663616 is about 1952.1705933501.

The spelling of 7439663616 in words is "seven billion, four hundred thirty-nine million, six hundred sixty-three thousand, six hundred sixteen".