36861346686 has 16 divisors (see below), whose sum is σ = 74028599568. Its totient is φ = 12236131200.

The previous prime is 36861346673. The next prime is 36861346693. The reversal of 36861346686 is 68664316863.

36861346686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12744525 + ... + 12747416.

It is an arithmetic number, because the mean of its divisors is an integer number (4626787473).

Almost surely, 2^36861346686 is an apocalyptic number.

36861346686 is an abundant number, since it is smaller than the sum of its proper divisors (37167252882).

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

36861346686 is a wasteful number, since it uses less digits than its factorization.

36861346686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492187.

The product of its digits is 17915904, while the sum is 57.

The spelling of 36861346686 in words is "thirty-six billion, eight hundred sixty-one million, three hundred forty-six thousand, six hundred eighty-six".