616786572 has 12 divisors (see below), whose sum is σ = 1439168696. Its totient is φ = 205595520.

The previous prime is 616786519. The next prime is 616786591. The reversal of 616786572 is 275687616.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×616786572² = 760851350799022368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25699429 + ... + 25699452.

Almost surely, 2^616786572 is an apocalyptic number.

It is an amenable number.

616786572 is an abundant number, since it is smaller than the sum of its proper divisors (822382124).

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

616786572 is a wasteful number, since it uses less digits than its factorization.

616786572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51398888 (or 51398886 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 616786572 is about 24835.1881812883. The cubic root of 616786572 is about 851.2261758768.

The spelling of 616786572 in words is "six hundred sixteen million, seven hundred eighty-six thousand, five hundred seventy-two".