616316166 has 12 divisors (see below), whose sum is σ = 1335351732. Its totient is φ = 205438716.

The previous prime is 616316161. The next prime is 616316213. The reversal of 616316166 is 661613616.

It is a happy number.

616316166 is a `hidden beast` number, since 6 + 1 + 6 + 31 + 616 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 616316166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616316161) 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, 17119876 + ... + 17119911.

It is an arithmetic number, because the mean of its divisors is an integer number (111279311).

Almost surely, 2^616316166 is an apocalyptic number.

616316166 is an abundant number, since it is smaller than the sum of its proper divisors (719035566).

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

616316166 is a wasteful number, since it uses less digits than its factorization.

616316166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34239795 (or 34239792 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 616316166 is about 24825.7158204955. The cubic root of 616316166 is about 851.0097186457.

The spelling of 616316166 in words is "six hundred sixteen million, three hundred sixteen thousand, one hundred sixty-six".