616650037 has 4 divisors (see below), whose sum is σ = 626759116. Its totient is φ = 606540960.

The previous prime is 616650031. The next prime is 616650043. The reversal of 616650037 is 730056616.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (616650031) and next prime (616650043).

It can be written as a sum of positive squares in 2 ways, for example, as 34586161 + 582063876 = 5881^2 + 24126^2 .

It is a cyclic number.

It is not a de Polignac number, because 616650037 - 2⁷ = 616649909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616649984 and 616650011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616650031) 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 3 ways as a sum of consecutive naturals, for example, 5054448 + ... + 5054569.

It is an arithmetic number, because the mean of its divisors is an integer number (156689779).

Almost surely, 2^616650037 is an apocalyptic number.

It is an amenable number.

616650037 is a deficient number, since it is larger than the sum of its proper divisors (10109079).

616650037 is a wasteful number, since it uses less digits than its factorization.

616650037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109078.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 616650037 is about 24832.4392076171. The cubic root of 616650037 is about 851.1633606621.

The spelling of 616650037 in words is "six hundred sixteen million, six hundred fifty thousand, thirty-seven".