616533472 has 24 divisors (see below), whose sum is σ = 1230432336. Its totient is φ = 304042752.

The previous prime is 616533461. The next prime is 616533473. The reversal of 616533472 is 274335616.

It is a super-2 number, since 2×616533472² = 760227044192749568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616533473) 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, 129628 + ... + 134299.

It is an arithmetic number, because the mean of its divisors is an integer number (51268014).

Almost surely, 2^616533472 is an apocalyptic number.

It is an amenable number.

616533472 is a deficient number, since it is larger than the sum of its proper divisors (613898864).

616533472 is a wasteful number, since it uses less digits than its factorization.

616533472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264010 (or 264002 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 616533472 is about 24830.0920658785. The cubic root of 616533472 is about 851.1097256431.

The spelling of 616533472 in words is "six hundred sixteen million, five hundred thirty-three thousand, four hundred seventy-two".