6572872516 has 24 divisors (see below), whose sum is σ = 13190627520. Its totient is φ = 2807327712.

The previous prime is 6572872513. The next prime is 6572872517. The reversal of 6572872516 is 6152782756.

It is a happy number.

It is a super-2 number, since 2×6572872516² = 86405306223176340512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6572872516.

It is not an unprimeable number, because it can be changed into a prime (6572872513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392386 + ... + 408793.

It is an arithmetic number, because the mean of its divisors is an integer number (549609480).

Almost surely, 2^6572872516 is an apocalyptic number.

It is an amenable number.

6572872516 is an abundant number, since it is smaller than the sum of its proper divisors (6617755004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6572872516 is a wasteful number, since it uses less digits than its factorization.

6572872516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801483 (or 801481 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 6572872516 is about 81073.2540114186. The cubic root of 6572872516 is about 1873.2039705703.

The spelling of 6572872516 in words is "six billion, five hundred seventy-two million, eight hundred seventy-two thousand, five hundred sixteen".