6607722647 has 16 divisors (see below), whose sum is σ = 7114141440. Its totient is φ = 6121790400.

The previous prime is 6607722623. The next prime is 6607722679. The reversal of 6607722647 is 7462277066.

It is not a de Polignac number, because 6607722647 - 2⁸ = 6607722391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6607722617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105872 + ... + 156282.

It is an arithmetic number, because the mean of its divisors is an integer number (444633840).

Almost surely, 2^6607722647 is an apocalyptic number.

6607722647 is a deficient number, since it is larger than the sum of its proper divisors (506418793).

6607722647 is a wasteful number, since it uses less digits than its factorization.

6607722647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50614.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The square root of 6607722647 is about 81287.8997575900. The cubic root of 6607722647 is about 1876.5087847006.

The spelling of 6607722647 in words is "six billion, six hundred seven million, seven hundred twenty-two thousand, six hundred forty-seven".