616005345 has 16 divisors (see below), whose sum is σ = 985917312. Its totient is φ = 328433280.

The previous prime is 616005337. The next prime is 616005347. The reversal of 616005345 is 543500616.

It is not a de Polignac number, because 616005345 - 2³ = 616005337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (616005347) 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, 84724 + ... + 91706.

It is an arithmetic number, because the mean of its divisors is an integer number (61619832).

Almost surely, 2^616005345 is an apocalyptic number.

It is an amenable number.

616005345 is a deficient number, since it is larger than the sum of its proper divisors (369911967).

616005345 is a wasteful number, since it uses less digits than its factorization.

616005345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 616005345 is about 24819.4549698417. The cubic root of 616005345 is about 850.8666339840.

The spelling of 616005345 in words is "six hundred sixteen million, five thousand, three hundred forty-five".