51613202234616 has 128 divisors (see below), whose sum is σ = 144058115139840. Its totient is φ = 15274378828800.

The previous prime is 51613202234597. The next prime is 51613202234651. The reversal of 51613202234616 is 61643220231615.

It is a super-2 number, since 2×51613202234616² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77326726 + ... + 77991338.

It is an arithmetic number, because the mean of its divisors is an integer number (1125454024530).

Almost surely, 2^{51613202234616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51613202234616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72029057569920).

51613202234616 is an abundant number, since it is smaller than the sum of its proper divisors (92444912905224).

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

51613202234616 is a wasteful number, since it uses less digits than its factorization.

51613202234616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671517 (or 671513 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 51613202234616 in words is "fifty-one trillion, six hundred thirteen billion, two hundred two million, two hundred thirty-four thousand, six hundred sixteen".