616459983 has 8 divisors (see below), whose sum is σ = 825475248. Its totient is φ = 409209024.

The previous prime is 616459981. The next prime is 616460003. The reversal of 616459983 is 389954616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 616459983 - 2¹ = 616459981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616459981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440260 + ... + 441657.

It is an arithmetic number, because the mean of its divisors is an integer number (103184406).

Almost surely, 2^616459983 is an apocalyptic number.

616459983 is a deficient number, since it is larger than the sum of its proper divisors (209015265).

616459983 is a wasteful number, since it uses less digits than its factorization.

616459983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882153.

The product of its digits is 1399680, while the sum is 51.

The square root of 616459983 is about 24828.6121843328. The cubic root of 616459983 is about 851.0759076965.

The spelling of 616459983 in words is "six hundred sixteen million, four hundred fifty-nine thousand, nine hundred eighty-three".