616464432 has 100 divisors (see below), whose sum is σ = 1790127240. Its totient is φ = 204809472.

The previous prime is 616464427. The next prime is 616464439. The reversal of 616464432 is 234464616.

616464432 is a `hidden beast` number, since 6 + 1 + 6 + 4 + 644 + 3 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616464439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 529483 + ... + 530645.

Almost surely, 2^616464432 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 616464432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895063620).

616464432 is an abundant number, since it is smaller than the sum of its proper divisors (1173662808).

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

616464432 is a wasteful number, since it uses less digits than its factorization.

616464432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1577 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 616464432 is about 24828.7017783854. The cubic root of 616464432 is about 851.0779551004.

The spelling of 616464432 in words is "six hundred sixteen million, four hundred sixty-four thousand, four hundred thirty-two".