616172788 has 48 divisors (see below), whose sum is σ = 1346905728. Its totient is φ = 239616000.

The previous prime is 616172761. The next prime is 616172789. The reversal of 616172788 is 887271616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616172789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195868 + ... + 198988.

It is an arithmetic number, because the mean of its divisors is an integer number (28060536).

Almost surely, 2^616172788 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 616172788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673452864).

616172788 is an abundant number, since it is smaller than the sum of its proper divisors (730732940).

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

616172788 is a wasteful number, since it uses less digits than its factorization.

616172788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3782 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 616172788 is about 24822.8279613746. The cubic root of 616172788 is about 850.9437213859.

The spelling of 616172788 in words is "six hundred sixteen million, one hundred seventy-two thousand, seven hundred eighty-eight".