36651516616 has 96 divisors (see below), whose sum is σ = 81457286400. Its totient is φ = 15357513600.

The previous prime is 36651516611. The next prime is 36651516619. The reversal of 36651516616 is 61661515663.

It is not an unprimeable number, because it can be changed into a prime (36651516611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12469275 + ... + 12472213.

It is an arithmetic number, because the mean of its divisors is an integer number (848513400).

Almost surely, 2^36651516616 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 36651516616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40728643200).

36651516616 is an abundant number, since it is smaller than the sum of its proper divisors (44805769784).

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

36651516616 is a wasteful number, since it uses less digits than its factorization.

36651516616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3956 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The spelling of 36651516616 in words is "thirty-six billion, six hundred fifty-one million, five hundred sixteen thousand, six hundred sixteen".