6516164563 has 8 divisors (see below), whose sum is σ = 6681502800. Its totient is φ = 6351131520.

The previous prime is 6516164561. The next prime is 6516164591. The reversal of 6516164563 is 3654616156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6516164563 - 2¹ = 6516164561 is a prime.

It is a super-2 number, since 2×6516164563² = 84920801224193961938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6516164561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32745 + ... + 118762.

It is an arithmetic number, because the mean of its divisors is an integer number (835187850).

Almost surely, 2^6516164563 is an apocalyptic number.

6516164563 is a deficient number, since it is larger than the sum of its proper divisors (165338237).

6516164563 is a wasteful number, since it uses less digits than its factorization.

6516164563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152597.

The product of its digits is 388800, while the sum is 43.

The square root of 6516164563 is about 80722.7635986281. The cubic root of 6516164563 is about 1867.8013339573.

The spelling of 6516164563 in words is "six billion, five hundred sixteen million, one hundred sixty-four thousand, five hundred sixty-three".