6514456665 has 8 divisors (see below), whose sum is σ = 10423130688. Its totient is φ = 3474376880.

The previous prime is 6514456657. The next prime is 6514456693. The reversal of 6514456665 is 5666544156.

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

It is not a de Polignac number, because 6514456665 - 2³ = 6514456657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217148541 + ... + 217148570.

It is an arithmetic number, because the mean of its divisors is an integer number (1302891336).

Almost surely, 2^6514456665 is an apocalyptic number.

It is an amenable number.

6514456665 is a deficient number, since it is larger than the sum of its proper divisors (3908674023).

6514456665 is a wasteful number, since it uses less digits than its factorization.

6514456665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434297119.

The product of its digits is 2592000, while the sum is 48.

The square root of 6514456665 is about 80712.1841173933. The cubic root of 6514456665 is about 1867.6381350451.

The spelling of 6514456665 in words is "six billion, five hundred fourteen million, four hundred fifty-six thousand, six hundred sixty-five".