616886544 has 40 divisors (see below), whose sum is σ = 1612834272. Its totient is φ = 203150080.

The previous prime is 616886503. The next prime is 616886561. The reversal of 616886544 is 445688616.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 616886493 and 616886502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73437 + ... + 81404.

Almost surely, 2^616886544 is an apocalyptic number.

It is an amenable number.

616886544 is an abundant number, since it is smaller than the sum of its proper divisors (995947728).

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

616886544 is a wasteful number, since it uses less digits than its factorization.

616886544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154935 (or 154929 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 616886544 is about 24837.2008084647. The cubic root of 616886544 is about 851.2721637921.

The spelling of 616886544 in words is "six hundred sixteen million, eight hundred eighty-six thousand, five hundred forty-four".