616606007 has 4 divisors (see below), whose sum is σ = 616749840. Its totient is φ = 616462176.

The previous prime is 616605989. The next prime is 616606013. The reversal of 616606007 is 700606616.

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

It is a cyclic number.

It is not a de Polignac number, because 616606007 - 2⁶ = 616605943 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 (616606807) 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, 65282 + ... + 74127.

It is an arithmetic number, because the mean of its divisors is an integer number (154187460).

Almost surely, 2^616606007 is an apocalyptic number.

616606007 is a deficient number, since it is larger than the sum of its proper divisors (143833).

616606007 is a wasteful number, since it uses less digits than its factorization.

616606007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143832.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 616606007 is about 24831.5526498042. The cubic root of 616606007 is about 851.1431019456.

The spelling of 616606007 in words is "six hundred sixteen million, six hundred six thousand, seven".