616442634120 has 32 divisors (see below), whose sum is σ = 1849327902720. Its totient is φ = 164384702400.

The previous prime is 616442634109. The next prime is 616442634217. The reversal of 616442634120 is 21436244616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2568510856 + ... + 2568511095.

It is an arithmetic number, because the mean of its divisors is an integer number (57791496960).

Almost surely, 2^616442634120 is an apocalyptic number.

616442634120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616442634120 is an abundant number, since it is smaller than the sum of its proper divisors (1232885268600).

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

616442634120 is a wasteful number, since it uses less digits than its factorization.

616442634120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137021965 (or 5137021961 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 616442634120 its reverse (21436244616), we get a palindrome (637878878736).

The spelling of 616442634120 in words is "six hundred sixteen billion, four hundred forty-two million, six hundred thirty-four thousand, one hundred twenty".