6725811567 has 16 divisors (see below), whose sum is σ = 9240167552. Its totient is φ = 4348455840.

The previous prime is 6725811551. The next prime is 6725811571. The reversal of 6725811567 is 7651185276.

It is not a de Polignac number, because 6725811567 - 2⁴ = 6725811551 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 (6725811517) 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, 64609 + ... + 132762.

It is an arithmetic number, because the mean of its divisors is an integer number (577510472).

Almost surely, 2^6725811567 is an apocalyptic number.

6725811567 is a deficient number, since it is larger than the sum of its proper divisors (2514355985).

6725811567 is a wasteful number, since it uses less digits than its factorization.

6725811567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197718.

The product of its digits is 705600, while the sum is 48.

The square root of 6725811567 is about 82011.0453963367. The cubic root of 6725811567 is about 1887.6214273416.

The spelling of 6725811567 in words is "six billion, seven hundred twenty-five million, eight hundred eleven thousand, five hundred sixty-seven".