616121306260 has 48 divisors (see below), whose sum is σ = 1371559331520. Its totient is φ = 231681415680.

The previous prime is 616121306231. The next prime is 616121306303. The reversal of 616121306260 is 62603121616.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 762726 + ... + 1346845.

It is an arithmetic number, because the mean of its divisors is an integer number (28574152740).

Almost surely, 2^616121306260 is an apocalyptic number.

It is an amenable number.

616121306260 is an abundant number, since it is smaller than the sum of its proper divisors (755438025260).

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

616121306260 is a wasteful number, since it uses less digits than its factorization.

616121306260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110456 (or 2110454 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 616121306260 its reverse (62603121616), we get a palindrome (678724427876).

The spelling of 616121306260 in words is "six hundred sixteen billion, one hundred twenty-one million, three hundred six thousand, two hundred sixty".