4956999666 has 64 divisors (see below), whose sum is σ = 10395703296. Its totient is φ = 1574193600.

The previous prime is 4956999659. The next prime is 4956999679. The reversal of 4956999666 is 6669996594.

It is a super-2 number, since 2×4956999666² = 49143691377448223112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4956999666.

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, 5104561 + ... + 5105531.

It is an arithmetic number, because the mean of its divisors is an integer number (162432864).

Almost surely, 2^4956999666 is an apocalyptic number.

4956999666 is an abundant number, since it is smaller than the sum of its proper divisors (5438703630).

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

4956999666 is a wasteful number, since it uses less digits than its factorization.

4956999666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its digits is 170061120, while the sum is 69.

The square root of 4956999666 is about 70405.9632843696. The cubic root of 4956999666 is about 1705.0598576062.

The spelling of 4956999666 in words is "four billion, nine hundred fifty-six million, nine hundred ninety-nine thousand, six hundred sixty-six".