6516133772 has 96 divisors (see below), whose sum is σ = 12802406400. Its totient is φ = 2890764800.

The previous prime is 6516133769. The next prime is 6516133781. The reversal of 6516133772 is 2773316156.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7766129 + ... + 7766967.

It is an arithmetic number, because the mean of its divisors is an integer number (133358400).

Almost surely, 2^6516133772 is an apocalyptic number.

It is an amenable number.

6516133772 is a deficient number, since it is larger than the sum of its proper divisors (6286272628).

6516133772 is a wasteful number, since it uses less digits than its factorization.

6516133772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 6516133772 is about 80722.5728777273. The cubic root of 6516133772 is about 1867.7983919628.

The spelling of 6516133772 in words is "six billion, five hundred sixteen million, one hundred thirty-three thousand, seven hundred seventy-two".