616005066 has 16 divisors (see below), whose sum is σ = 1274493600. Its totient is φ = 198254448.

The previous prime is 616005059. The next prime is 616005073. The reversal of 616005066 is 660500616.

It is an interprime number because it is at equal distance from previous prime (616005059) and next prime (616005073).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769956 + ... + 1770303.

It is an arithmetic number, because the mean of its divisors is an integer number (79655850).

Almost surely, 2^616005066 is an apocalyptic number.

616005066 is an abundant number, since it is smaller than the sum of its proper divisors (658488534).

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

616005066 is a wasteful number, since it uses less digits than its factorization.

616005066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540293.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 616005066 is about 24819.4493492503. The cubic root of 616005066 is about 850.8665055263.

It can be divided in two parts, 61600 and 5066, that added together give a palindrome (66666).

The spelling of 616005066 in words is "six hundred sixteen million, five thousand, sixty-six".