6120396864 has 42 divisors (see below), whose sum is σ = 17543014190. Its totient is φ = 2040132096.

The previous prime is 6120396857. The next prime is 6120396871. The reversal of 6120396864 is 4686930216.

It is an interprime number because it is at equal distance from previous prime (6120396857) and next prime (6120396871).

It can be written as a sum of positive squares in only one way, i.e., 5653836864 + 466560000 = 75192^2 + 21600^2 .

It is a super-2 number, since 2×6120396864² = 74918515545722068992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5312269 + ... + 5313420.

Almost surely, 2^6120396864 is an apocalyptic number.

6120396864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6120396864 is an abundant number, since it is smaller than the sum of its proper divisors (11422617326).

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

6120396864 is a wasteful number, since it uses less digits than its factorization.

6120396864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625707 (or 10625694 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6120396864 is about 78232.9653279230. The cubic root of 6120396864 is about 1829.1943923370.

The spelling of 6120396864 in words is "six billion, one hundred twenty million, three hundred ninety-six thousand, eight hundred sixty-four".