616215013050 has 96 divisors (see below), whose sum is σ = 1880877866112. Its totient is φ = 130014593280.

The previous prime is 616215013039. The next prime is 616215013069. The reversal of 616215013050 is 50310512616.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 616215012999 and 616215013017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22558329 + ... + 22585628.

It is an arithmetic number, because the mean of its divisors is an integer number (19592477772).

Almost surely, 2^616215013050 is an apocalyptic number.

616215013050 is an abundant number, since it is smaller than the sum of its proper divisors (1264662853062).

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

616215013050 is a wasteful number, since it uses less digits than its factorization.

616215013050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45143992 (or 45143987 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 616215013050 its reverse (50310512616), we get a palindrome (666525525666).

The spelling of 616215013050 in words is "six hundred sixteen billion, two hundred fifteen million, thirteen thousand, fifty".