616706705 has 16 divisors (see below), whose sum is σ = 817651584. Its totient is φ = 444153600.

The previous prime is 616706687. The next prime is 616706711. The reversal of 616706705 is 507607616.

It is not a de Polignac number, because 616706705 - 2⁶ = 616706641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155771 + ... + 159680.

It is an arithmetic number, because the mean of its divisors is an integer number (51103224).

Almost surely, 2^616706705 is an apocalyptic number.

It is an amenable number.

616706705 is a deficient number, since it is larger than the sum of its proper divisors (200944879).

616706705 is a wasteful number, since it uses less digits than its factorization.

616706705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315496.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 616706705 is about 24833.5801889297. The cubic root of 616706705 is about 851.1894328505.

The spelling of 616706705 in words is "six hundred sixteen million, seven hundred six thousand, seven hundred five".