6562772157 has 16 divisors (see below), whose sum is σ = 9369198720. Its totient is φ = 4071547392.

The previous prime is 6562772149. The next prime is 6562772173. The reversal of 6562772157 is 7512772656.

It is not a de Polignac number, because 6562772157 - 2³ = 6562772149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6562772057) 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, 718393 + ... + 727470.

It is an arithmetic number, because the mean of its divisors is an integer number (585574920).

Almost surely, 2^6562772157 is an apocalyptic number.

It is an amenable number.

6562772157 is a deficient number, since it is larger than the sum of its proper divisors (2806426563).

6562772157 is a wasteful number, since it uses less digits than its factorization.

6562772157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445972.

The product of its digits is 1234800, while the sum is 48.

The square root of 6562772157 is about 81010.9385021554. The cubic root of 6562772157 is about 1872.2439777045.

The spelling of 6562772157 in words is "six billion, five hundred sixty-two million, seven hundred seventy-two thousand, one hundred fifty-seven".