616988806 has 8 divisors (see below), whose sum is σ = 1057695120. Its totient is φ = 264423768.

The previous prime is 616988789. The next prime is 616988807. The reversal of 616988806 is 608889616.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616988807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22035301 + ... + 22035328.

It is an arithmetic number, because the mean of its divisors is an integer number (132211890).

Almost surely, 2^616988806 is an apocalyptic number.

616988806 is a deficient number, since it is larger than the sum of its proper divisors (440706314).

616988806 is a wasteful number, since it uses less digits than its factorization.

616988806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44070638.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 616988806 is about 24839.2593689909. The cubic root of 616988806 is about 851.3191999854.

The spelling of 616988806 in words is "six hundred sixteen million, nine hundred eighty-eight thousand, eight hundred six".