7664676516 has 60 divisors (see below), whose sum is σ = 22899410688. Its totient is φ = 2189906928.

The previous prime is 7664676479. The next prime is 7664676527. The reversal of 7664676516 is 6156764667.

It is a happy number.

7664676516 is a `hidden beast` number, since 7 + 6 + 64 + 67 + 6 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1687476 + ... + 1692011.

Almost surely, 2^7664676516 is an apocalyptic number.

It is an amenable number.

7664676516 is an abundant number, since it is smaller than the sum of its proper divisors (15234734172).

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

7664676516 is a wasteful number, since it uses less digits than its factorization.

7664676516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379510 (or 3379499 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 7664676516 is about 87548.1382783209. The cubic root of 7664676516 is about 1971.6565996297.

The spelling of 7664676516 in words is "seven billion, six hundred sixty-four million, six hundred seventy-six thousand, five hundred sixteen".