6718620172 has 48 divisors (see below), whose sum is σ = 13557962880. Its totient is φ = 2881094400.

The previous prime is 6718620157. The next prime is 6718620179. The reversal of 6718620172 is 2710268176.

It is not an unprimeable number, because it can be changed into a prime (6718620179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184803 + ... + 218149.

It is an arithmetic number, because the mean of its divisors is an integer number (282457560).

Almost surely, 2^6718620172 is an apocalyptic number.

It is an amenable number.

6718620172 is an abundant number, since it is smaller than the sum of its proper divisors (6839342708).

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

6718620172 is a wasteful number, since it uses less digits than its factorization.

6718620172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33622 (or 33620 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 6718620172 is about 81967.1896065737. The cubic root of 6718620172 is about 1886.9484244313.

The spelling of 6718620172 in words is "six billion, seven hundred eighteen million, six hundred twenty thousand, one hundred seventy-two".