6666500151 has 28 divisors (see below), whose sum is σ = 10521261720. Its totient is φ = 4210412400.

The previous prime is 6666500147. The next prime is 6666500153. The reversal of 6666500151 is 1510056666.

It is not a de Polignac number, because 6666500151 - 2² = 6666500147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666500153) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 226800 + ... + 254501.

Almost surely, 2^6666500151 is an apocalyptic number.

6666500151 is a deficient number, since it is larger than the sum of its proper divisors (3854761569).

6666500151 is an equidigital number, since it uses as much as digits as its factorization.

6666500151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481338 (or 481323 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6666500151 is about 81648.6383903614. The cubic root of 6666500151 is about 1882.0563879074.

The spelling of 6666500151 in words is "six billion, six hundred sixty-six million, five hundred thousand, one hundred fifty-one".