616190720 has 144 divisors (see below), whose sum is σ = 1557626112. Its totient is φ = 233226240.

The previous prime is 616190717. The next prime is 616190741. The reversal of 616190720 is 27091616.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2102894 + ... + 2103186.

It is an arithmetic number, because the mean of its divisors is an integer number (10816848).

Almost surely, 2^616190720 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 616190720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778813056).

616190720 is an abundant number, since it is smaller than the sum of its proper divisors (941435392).

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

616190720 is a wasteful number, since it uses less digits than its factorization.

616190720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 616190720 is about 24823.1891585268. The cubic root of 616190720 is about 850.9519760914.

The spelling of 616190720 in words is "six hundred sixteen million, one hundred ninety thousand, seven hundred twenty".