6920659816 has 64 divisors (see below), whose sum is σ = 15059865600. Its totient is φ = 2920356288.

The previous prime is 6920659787. The next prime is 6920659843. The reversal of 6920659816 is 6189560296.

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, 1029121 + ... + 1035823.

It is an arithmetic number, because the mean of its divisors is an integer number (235310400).

Almost surely, 2^6920659816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6920659816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7529932800).

6920659816 is an abundant number, since it is smaller than the sum of its proper divisors (8139205784).

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

6920659816 is a wasteful number, since it uses less digits than its factorization.

6920659816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 6994 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 6920659816 is about 83190.5031599160. The cubic root of 6920659816 is about 1905.6764512585.

The spelling of 6920659816 in words is "six billion, nine hundred twenty million, six hundred fifty-nine thousand, eight hundred sixteen".