616251472 has 40 divisors (see below), whose sum is σ = 1269095360. Its totient is φ = 289059840.

The previous prime is 616251439. The next prime is 616251481. The reversal of 616251472 is 274152616.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21472 + ... + 41152.

It is an arithmetic number, because the mean of its divisors is an integer number (31727384).

Almost surely, 2^616251472 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 616251472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634547680).

616251472 is an abundant number, since it is smaller than the sum of its proper divisors (652843888).

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

616251472 is a wasteful number, since it uses less digits than its factorization.

616251472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19811 (or 19805 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 616251472 is about 24824.4128228645. The cubic root of 616251472 is about 850.9799410996.

The spelling of 616251472 in words is "six hundred sixteen million, two hundred fifty-one thousand, four hundred seventy-two".