616613610 has 16 divisors (see below), whose sum is σ = 1479872736. Its totient is φ = 164430288.

The previous prime is 616613609. The next prime is 616613623. The reversal of 616613610 is 16316616.

It is a super-3 number, since 3×616613610³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 20553787 = 616613610 / (6 + 1 + 6 + 6 + 1 + 3 + 6 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10276864 + ... + 10276923.

It is an arithmetic number, because the mean of its divisors is an integer number (92492046).

Almost surely, 2^616613610 is an apocalyptic number.

616613610 is an abundant number, since it is smaller than the sum of its proper divisors (863259126).

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

616613610 is a wasteful number, since it uses less digits than its factorization.

616613610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553797.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 616613610 is about 24831.7057408467. The cubic root of 616613610 is about 851.1466002434.

The spelling of 616613610 in words is "six hundred sixteen million, six hundred thirteen thousand, six hundred ten".