6416621882 has 16 divisors (see below), whose sum is σ = 11117570112. Its totient is φ = 2745078720.

The previous prime is 6416621863. The next prime is 6416621891. The reversal of 6416621882 is 2881266146.

It is a happy number.

It is a super-2 number, since 2×6416621882² = 82346072753122443848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8577998 + ... + 8578745.

It is an arithmetic number, because the mean of its divisors is an integer number (694848132).

Almost surely, 2^6416621882 is an apocalyptic number.

6416621882 is a deficient number, since it is larger than the sum of its proper divisors (4700948230).

6416621882 is a wasteful number, since it uses less digits than its factorization.

6416621882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17156773.

The product of its digits is 221184, while the sum is 44.

The square root of 6416621882 is about 80103.8193970799. The cubic root of 6416621882 is about 1858.2414760676.

The spelling of 6416621882 in words is "six billion, four hundred sixteen million, six hundred twenty-one thousand, eight hundred eighty-two".