36867856608 has 144 divisors (see below), whose sum is σ = 116532679536. Its totient is φ = 10961233920.

The previous prime is 36867856579. The next prime is 36867856643. The reversal of 36867856608 is 80665876863.

36867856608 is a `hidden beast` number, since 3 + 6 + 8 + 67 + 8 + 566 + 0 + 8 = 666.

36867856608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58116 + ... + 277692.

It is an arithmetic number, because the mean of its divisors is an integer number (809254719).

Almost surely, 2^36867856608 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 36867856608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58266339768).

36867856608 is an abundant number, since it is smaller than the sum of its proper divisors (79664822928).

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

36867856608 is a wasteful number, since it uses less digits than its factorization.

36867856608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219657 (or 219646 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 36867856608 in words is "thirty-six billion, eight hundred sixty-seven million, eight hundred fifty-six thousand, six hundred eight".