616155099 has 16 divisors (see below), whose sum is σ = 949455360. Its totient is φ = 348131520.

The previous prime is 616155097. The next prime is 616155109. The reversal of 616155099 is 990551616.

It is not a de Polignac number, because 616155099 - 2¹ = 616155097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616155099.

It is not an unprimeable number, because it can be changed into a prime (616155097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162967 + ... + 166704.

It is an arithmetic number, because the mean of its divisors is an integer number (59340960).

Almost surely, 2^616155099 is an apocalyptic number.

616155099 is a deficient number, since it is larger than the sum of its proper divisors (333300261).

616155099 is a wasteful number, since it uses less digits than its factorization.

616155099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329770.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 616155099 is about 24822.4716537254. The cubic root of 616155099 is about 850.9355783845.

The spelling of 616155099 in words is "six hundred sixteen million, one hundred fifty-five thousand, ninety-nine".