6620414812 has 36 divisors (see below), whose sum is σ = 13045365648. Its totient is φ = 2935873600.

The previous prime is 6620414807. The next prime is 6620414831. The reversal of 6620414812 is 2184140266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146968 + ... + 186655.

It is an arithmetic number, because the mean of its divisors is an integer number (362371268).

Almost surely, 2^6620414812 is an apocalyptic number.

It is an amenable number.

6620414812 is a deficient number, since it is larger than the sum of its proper divisors (6424950836).

6620414812 is a wasteful number, since it uses less digits than its factorization.

6620414812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333690 (or 333677 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 6620414812 is about 81365.9315192790. The cubic root of 6620414812 is about 1877.7094871401.

The spelling of 6620414812 in words is "six billion, six hundred twenty million, four hundred fourteen thousand, eight hundred twelve".