6710390665 has 64 divisors (see below), whose sum is σ = 9452298240. Its totient is φ = 4526784000.

The previous prime is 6710390641. The next prime is 6710390677. The reversal of 6710390665 is 5660930176.

It is not a de Polignac number, because 6710390665 - 2¹¹ = 6710388617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4123582 + ... + 4125208.

It is an arithmetic number, because the mean of its divisors is an integer number (147692160).

Almost surely, 2^6710390665 is an apocalyptic number.

It is an amenable number.

6710390665 is a deficient number, since it is larger than the sum of its proper divisors (2741907575).

6710390665 is a wasteful number, since it uses less digits than its factorization.

6710390665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 6710390665 is about 81916.9742178018. The cubic root of 6710390665 is about 1886.1776808641.

The spelling of 6710390665 in words is "six billion, seven hundred ten million, three hundred ninety thousand, six hundred sixty-five".