6572520146 has 8 divisors (see below), whose sum is σ = 9913249164. Its totient is φ = 3268103760.

The previous prime is 6572520139. The next prime is 6572520151. The reversal of 6572520146 is 6410252756.

It can be written as a sum of positive squares in 2 ways, for example, as 6056730625 + 515789521 = 77825^2 + 22711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6572520146² = 86396042139151722632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9077705 + ... + 9078428.

Almost surely, 2^6572520146 is an apocalyptic number.

6572520146 is a deficient number, since it is larger than the sum of its proper divisors (3340729018).

6572520146 is a wasteful number, since it uses less digits than its factorization.

6572520146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18156316.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 6572520146 is about 81071.0808241755. The cubic root of 6572520146 is about 1873.1704959782.

The spelling of 6572520146 in words is "six billion, five hundred seventy-two million, five hundred twenty thousand, one hundred forty-six".