616678900 has 18 divisors (see below), whose sum is σ = 1338193430. Its totient is φ = 246671520.

The previous prime is 616678897. The next prime is 616678901. The reversal of 616678900 is 9876616.

It can be written as a sum of positive squares in 3 ways, for example, as 98843364 + 517835536 = 9942^2 + 22756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616678901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083295 + ... + 3083494.

Almost surely, 2^616678900 is an apocalyptic number.

It is an amenable number.

616678900 is an abundant number, since it is smaller than the sum of its proper divisors (721514530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616678900 is a wasteful number, since it uses less digits than its factorization.

616678900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166803 (or 6166796 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 616678900 is about 24833.0203559696. The cubic root of 616678900 is about 851.1766403417.

The spelling of 616678900 in words is "six hundred sixteen million, six hundred seventy-eight thousand, nine hundred".