5664640515 has 16 divisors (see below), whose sum is σ = 9081600000. Its totient is φ = 3015083232.

The previous prime is 5664640507. The next prime is 5664640607. The reversal of 5664640515 is 5150464665.

It is not a de Polignac number, because 5664640515 - 2³ = 5664640507 is a prime.

It is a super-3 number, since 3×5664640515³ (a number of 30 digits) contains 333 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, 370915 + ... + 385884.

It is an arithmetic number, because the mean of its divisors is an integer number (567600000).

Almost surely, 2^5664640515 is an apocalyptic number.

5664640515 is a deficient number, since it is larger than the sum of its proper divisors (3416959485).

5664640515 is a wasteful number, since it uses less digits than its factorization.

5664640515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757306.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 5664640515 is about 75263.8061421292. The cubic root of 5664640515 is about 1782.6145681380.

The spelling of 5664640515 in words is "five billion, six hundred sixty-four million, six hundred forty thousand, five hundred fifteen".