616130172 has 192 divisors, whose sum is σ = 1911168000. Its totient is φ = 167940864.

The previous prime is 616130161. The next prime is 616130197. The reversal of 616130172 is 271031616.

616130172 is a `hidden beast` number, since 616 + 1 + 30 + 17 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3441979 + ... + 3442157.

It is an arithmetic number, because the mean of its divisors is an integer number (9954000).

Almost surely, 2^616130172 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 616130172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955584000).

616130172 is an abundant number, since it is smaller than the sum of its proper divisors (1295037828).

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

616130172 is a wasteful number, since it uses less digits than its factorization.

616130172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 616130172 is about 24821.9695431285. The cubic root of 616130172 is about 850.9241031584.

Adding to 616130172 its product of nonzero digits (1512), we get a square (616131684 = 24822²).

Adding to 616130172 its reverse (271031616), we get a palindrome (887161788).

The spelling of 616130172 in words is "six hundred sixteen million, one hundred thirty thousand, one hundred seventy-two".