616328352 has 60 divisors (see below), whose sum is σ = 1812612186. Its totient is φ = 205441920.

The previous prime is 616328347. The next prime is 616328389. The reversal of 616328352 is 253823616.

It is a happy number.

616328352 is a `hidden beast` number, since 616 + 3 + 2 + 8 + 35 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 615238416 + 1089936 = 24804^2 + 1044^2 .

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

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 9 ways as a sum of consecutive naturals, for example, 116299 + ... + 121482.

Almost surely, 2^616328352 is an apocalyptic number.

It is an amenable number.

616328352 is an abundant number, since it is smaller than the sum of its proper divisors (1196283834).

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

616328352 is a wasteful number, since it uses less digits than its factorization.

616328352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237803 (or 237786 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 616328352 is about 24825.9612502719. The cubic root of 616328352 is about 851.0153274207.

The spelling of 616328352 in words is "six hundred sixteen million, three hundred twenty-eight thousand, three hundred fifty-two".