36663886567872 has 140 divisors (see below), whose sum is σ = 108782698076536. Its totient is φ = 12210112212480.

The previous prime is 36663886567859. The next prime is 36663886567879. The reversal of 36663886567872 is 27876568836663.

36663886567872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 36663886567791 and 36663886567800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36663886567879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2430747 + ... + 8901477.

Almost surely, 2^{36663886567872} is an apocalyptic number.

36663886567872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36663886567872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54391349038268).

36663886567872 is an abundant number, since it is smaller than the sum of its proper divisors (72118811508664).

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

36663886567872 is a wasteful number, since it uses less digits than its factorization.

36663886567872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471848 (or 6471829 counting only the distinct ones).

The product of its digits is 17557585920, while the sum is 81.

The spelling of 36663886567872 in words is "thirty-six trillion, six hundred sixty-three billion, eight hundred eighty-six million, five hundred sixty-seven thousand, eight hundred seventy-two".