36837221634 has 40 divisors (see below), whose sum is σ = 82557509628. Its totient is φ = 12276865440.

The previous prime is 36837221621. The next prime is 36837221653. The reversal of 36837221634 is 43612273863.

36837221634 is a `hidden beast` number, since 3 + 6 + 8 + 3 + 7 + 2 + 2 + 1 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36807573609 + 29648025 = 191853^2 + 5445^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36837221634.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1058064 + ... + 1092324.

Almost surely, 2^36837221634 is an apocalyptic number.

36837221634 is an abundant number, since it is smaller than the sum of its proper divisors (45720287994).

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

36837221634 is a wasteful number, since it uses less digits than its factorization.

36837221634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40912 (or 40903 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The spelling of 36837221634 in words is "thirty-six billion, eight hundred thirty-seven million, two hundred twenty-one thousand, six hundred thirty-four".