36318646650 has 384 divisors, whose sum is σ = 110337437952. Its totient is φ = 7787520000.

The previous prime is 36318646649. The next prime is 36318646669. The reversal of 36318646650 is 5664681363.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 36318646650.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 53646112 + ... + 53646788.

It is an arithmetic number, because the mean of its divisors is an integer number (287337078).

Almost surely, 2^36318646650 is an apocalyptic number.

36318646650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36318646650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55168718976).

36318646650 is an abundant number, since it is smaller than the sum of its proper divisors (74018791302).

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

36318646650 is a wasteful number, since it uses less digits than its factorization.

36318646650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 36318646650 in words is "thirty-six billion, three hundred eighteen million, six hundred forty-six thousand, six hundred fifty".