616272552 has 96 divisors (see below), whose sum is σ = 1943585280. Its totient is φ = 172748160.

The previous prime is 616272479. The next prime is 616272563. The reversal of 616272552 is 255272616.

616272552 is a `hidden beast` number, since 6 + 1 + 627 + 25 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15177 + ... + 38247.

It is an arithmetic number, because the mean of its divisors is an integer number (20245680).

Almost surely, 2^616272552 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 616272552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971792640).

616272552 is an abundant number, since it is smaller than the sum of its proper divisors (1327312728).

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

616272552 is a wasteful number, since it uses less digits than its factorization.

616272552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23143 (or 23136 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 616272552 is about 24824.8374012802. The cubic root of 616272552 is about 850.9896440934.

The spelling of 616272552 in words is "six hundred sixteen million, two hundred seventy-two thousand, five hundred fifty-two".