616888623 has 16 divisors (see below), whose sum is σ = 914364416. Its totient is φ = 367377120.

The previous prime is 616888579. The next prime is 616888627. The reversal of 616888623 is 326888616.

It is a de Polignac number, because none of the positive numbers 2^k-616888623 is a prime.

It is a super-2 number, since 2×616888623² = 761103146373672258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616888627) 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, 253915 + ... + 256332.

It is an arithmetic number, because the mean of its divisors is an integer number (57147776).

Almost surely, 2^616888623 is an apocalyptic number.

616888623 is a deficient number, since it is larger than the sum of its proper divisors (297475793).

616888623 is a wasteful number, since it uses less digits than its factorization.

616888623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510294.

The product of its digits is 663552, while the sum is 48.

The square root of 616888623 is about 24837.2426609718. The cubic root of 616888623 is about 851.2731200959.

The spelling of 616888623 in words is "six hundred sixteen million, eight hundred eighty-eight thousand, six hundred twenty-three".