6515166506 has 32 divisors (see below), whose sum is σ = 10292002560. Its totient is φ = 3089001664.

The previous prime is 6515166487. The next prime is 6515166523. The reversal of 6515166506 is 6056615156.

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, 828911 + ... + 836733.

It is an arithmetic number, because the mean of its divisors is an integer number (321625080).

Almost surely, 2^6515166506 is an apocalyptic number.

6515166506 is a deficient number, since it is larger than the sum of its proper divisors (3776836054).

6515166506 is a wasteful number, since it uses less digits than its factorization.

6515166506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 6515166506 is about 80716.5813572403. The cubic root of 6515166506 is about 1867.7059676641.

The spelling of 6515166506 in words is "six billion, five hundred fifteen million, one hundred sixty-six thousand, five hundred six".