7537606664 has 64 divisors (see below), whose sum is σ = 16432281600. Its totient is φ = 3174583104.

The previous prime is 7537606651. The next prime is 7537606691. The reversal of 7537606664 is 4666067357.

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, 1735007 + ... + 1739345.

It is an arithmetic number, because the mean of its divisors is an integer number (256754400).

Almost surely, 2^7537606664 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 7537606664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8216140800).

7537606664 is an abundant number, since it is smaller than the sum of its proper divisors (8894674936).

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

7537606664 is a wasteful number, since it uses less digits than its factorization.

7537606664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 50.

The square root of 7537606664 is about 86819.3910598318. The cubic root of 7537606664 is about 1960.7000366302.

The spelling of 7537606664 in words is "seven billion, five hundred thirty-seven million, six hundred six thousand, six hundred sixty-four".