6291960864 has 96 divisors (see below), whose sum is σ = 18891169920. Its totient is φ = 1796247552.

The previous prime is 6291960757. The next prime is 6291960877. The reversal of 6291960864 is 4680691926.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 1040602 + ... + 1046630.

It is an arithmetic number, because the mean of its divisors is an integer number (196783020).

Almost surely, 2^6291960864 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 6291960864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9445584960).

6291960864 is an abundant number, since it is smaller than the sum of its proper divisors (12599209056).

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

6291960864 is a wasteful number, since it uses less digits than its factorization.

6291960864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 6291960864 is about 79321.8813695187. The cubic root of 6291960864 is about 1846.1288288191.

The spelling of 6291960864 in words is "six billion, two hundred ninety-one million, nine hundred sixty thousand, eight hundred sixty-four".