616672524 has 96 divisors (see below), whose sum is σ = 1595897856. Its totient is φ = 184147200.

The previous prime is 616672523. The next prime is 616672549. The reversal of 616672524 is 425276616.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (616672523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106854 + ... + 1107410.

It is an arithmetic number, because the mean of its divisors is an integer number (16623936).

Almost surely, 2^616672524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616672524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797948928).

616672524 is an abundant number, since it is smaller than the sum of its proper divisors (979225332).

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

616672524 is a wasteful number, since it uses less digits than its factorization.

616672524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 616672524 is about 24832.8919781809. The cubic root of 616672524 is about 851.1737068210.

The spelling of 616672524 in words is "six hundred sixteen million, six hundred seventy-two thousand, five hundred twenty-four".