6716315645 has 16 divisors (see below), whose sum is σ = 8801799552. Its totient is φ = 4889881920.

The previous prime is 6716315611. The next prime is 6716315687. The reversal of 6716315645 is 5465136176.

It is not a de Polignac number, because 6716315645 - 2¹⁰ = 6716314621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6716315596 and 6716315605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723047 + ... + 732276.

It is an arithmetic number, because the mean of its divisors is an integer number (550112472).

Almost surely, 2^6716315645 is an apocalyptic number.

6716315645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6716315645 is a deficient number, since it is larger than the sum of its proper divisors (2085483907).

6716315645 is a wasteful number, since it uses less digits than its factorization.

6716315645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455412.

The product of its digits is 453600, while the sum is 44.

The square root of 6716315645 is about 81953.1307821733. The cubic root of 6716315645 is about 1886.7326548851.

The spelling of 6716315645 in words is "six billion, seven hundred sixteen million, three hundred fifteen thousand, six hundred forty-five".