616334407 has 16 divisors (see below), whose sum is σ = 709125760. Its totient is φ = 530921952.

The previous prime is 616334393. The next prime is 616334417. The reversal of 616334407 is 704433616.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616334407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616334417) 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 15 ways as a sum of consecutive naturals, for example, 2073 + ... + 35170.

It is an arithmetic number, because the mean of its divisors is an integer number (44320360).

Almost surely, 2^616334407 is an apocalyptic number.

616334407 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

616334407 is a deficient number, since it is larger than the sum of its proper divisors (92791353).

616334407 is a wasteful number, since it uses less digits than its factorization.

616334407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37342.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 616334407 is about 24826.0831989261. The cubic root of 616334407 is about 851.0181142907.

The spelling of 616334407 in words is "six hundred sixteen million, three hundred thirty-four thousand, four hundred seven".