6386920716 has 48 divisors (see below), whose sum is σ = 16453519488. Its totient is φ = 1912108800.

The previous prime is 6386920697. The next prime is 6386920733. The reversal of 6386920716 is 6170296836.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280525 + ... + 302436.

It is an arithmetic number, because the mean of its divisors is an integer number (342781656).

Almost surely, 2^6386920716 is an apocalyptic number.

6386920716 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6386920716 is an abundant number, since it is smaller than the sum of its proper divisors (10066598772).

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

6386920716 is a wasteful number, since it uses less digits than its factorization.

6386920716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583062 (or 583060 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 6386920716 is about 79918.2126677017. The cubic root of 6386920716 is about 1855.3699071723.

The spelling of 6386920716 in words is "six billion, three hundred eighty-six million, nine hundred twenty thousand, seven hundred sixteen".