816260572 has 12 divisors (see below), whose sum is σ = 1461676216. Its totient is φ = 398638800.

The previous prime is 816260569. The next prime is 816260573. The reversal of 816260572 is 275062618.

It is a happy number.

816260572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816260573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372679 + ... + 2373022.

Almost surely, 2^816260572 is an apocalyptic number.

It is an amenable number.

816260572 is a deficient number, since it is larger than the sum of its proper divisors (645415644).

816260572 is a wasteful number, since it uses less digits than its factorization.

816260572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745748 (or 4745746 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 816260572 is about 28570.2742723972. The cubic root of 816260572 is about 934.5652022456.

The spelling of 816260572 in words is "eight hundred sixteen million, two hundred sixty thousand, five hundred seventy-two".