3668637803856 has 40 divisors (see below), whose sum is σ = 9889371474240. Its totient is φ = 1169710603776.

The previous prime is 3668637803837. The next prime is 3668637803861. The reversal of 3668637803856 is 6583087368663.

3668637803856 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 (69).

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, 1661519641 + ... + 1661521848.

It is an arithmetic number, because the mean of its divisors is an integer number (247234286856).

Almost surely, 2^{3668637803856} is an apocalyptic number.

It is an amenable number.

3668637803856 is an abundant number, since it is smaller than the sum of its proper divisors (6220733670384).

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

3668637803856 is a wasteful number, since it uses less digits than its factorization.

3668637803856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323041523 (or 3323041517 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 69.

The spelling of 3668637803856 in words is "three trillion, six hundred sixty-eight billion, six hundred thirty-seven million, eight hundred three thousand, eight hundred fifty-six".