616515116142 has 16 divisors (see below), whose sum is σ = 1233686471040. Its totient is φ = 205395665592.

The previous prime is 616515116131. The next prime is 616515116143. The reversal of 616515116142 is 241611515616.

616515116142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 616515116142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616515116143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27331068 + ... + 27353615.

It is an arithmetic number, because the mean of its divisors is an integer number (77105404440).

Almost surely, 2^616515116142 is an apocalyptic number.

616515116142 is an abundant number, since it is smaller than the sum of its proper divisors (617171354898).

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

616515116142 is a wasteful number, since it uses less digits than its factorization.

616515116142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54686567.

The product of its digits is 43200, while the sum is 39.

The spelling of 616515116142 in words is "six hundred sixteen billion, five hundred fifteen million, one hundred sixteen thousand, one hundred forty-two".