616602445 has 8 divisors (see below), whose sum is σ = 740499480. Its totient is φ = 492897600.

The previous prime is 616602443. The next prime is 616602463. The reversal of 616602445 is 544206616.

It can be written as a sum of positive squares in 4 ways, for example, as 25431849 + 591170596 = 5043^2 + 24314^2 .

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

It is not a de Polignac number, because 616602445 - 2¹ = 616602443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616602445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616602443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40890 + ... + 53899.

It is an arithmetic number, because the mean of its divisors is an integer number (92562435).

Almost surely, 2^616602445 is an apocalyptic number.

It is an amenable number.

616602445 is a deficient number, since it is larger than the sum of its proper divisors (123897035).

616602445 is a wasteful number, since it uses less digits than its factorization.

616602445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96095.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 616602445 is about 24831.4809264369. The cubic root of 616602445 is about 851.1414629857.

The spelling of 616602445 in words is "six hundred sixteen million, six hundred two thousand, four hundred forty-five".