5306618664 has 64 divisors (see below), whose sum is σ = 14752670400. Its totient is φ = 1767425472.

The previous prime is 5306618617. The next prime is 5306618671. The reversal of 5306618664 is 4668166035.

It is a super-2 number, since 2×5306618664² = 56320403290226289792, which contains 22 as substring.

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, 272914 + ... + 291710.

It is an arithmetic number, because the mean of its divisors is an integer number (230510475).

Almost surely, 2^5306618664 is an apocalyptic number.

5306618664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5306618664 is an abundant number, since it is smaller than the sum of its proper divisors (9446051736).

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

5306618664 is a wasteful number, since it uses less digits than its factorization.

5306618664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20119 (or 20109 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 5306618664 is about 72846.5418808608. The cubic root of 5306618664 is about 1744.2388685035.

The spelling of 5306618664 in words is "five billion, three hundred six million, six hundred eighteen thousand, six hundred sixty-four".