2015936813616 has 320 divisors, whose sum is σ = 6206677747200. Its totient is φ = 556882329600.

The previous prime is 2015936813603. The next prime is 2015936813629. The reversal of 2015936813616 is 6163186395102.

It is an interprime number because it is at equal distance from previous prime (2015936813603) and next prime (2015936813629).

It is a super-2 number, since 2×2015936813616² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51134520 + ... + 51173928.

It is an arithmetic number, because the mean of its divisors is an integer number (19395867960).

Almost surely, 2^{2015936813616} 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 2015936813616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3103338873600).

2015936813616 is an abundant number, since it is smaller than the sum of its proper divisors (4190740933584).

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

2015936813616 is a wasteful number, since it uses less digits than its factorization.

2015936813616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39628 (or 39622 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 2015936813616 in words is "two trillion, fifteen billion, nine hundred thirty-six million, eight hundred thirteen thousand, six hundred sixteen".