3681220811702 has 32 divisors (see below), whose sum is σ = 6525683066880. Its totient is φ = 1524090248640.

The previous prime is 3681220811693. The next prime is 3681220811783. The reversal of 3681220811702 is 2071180221863.

It is a self number, because there is not a number n which added to its sum of digits gives 3681220811702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7206548 + ... + 7700439.

It is an arithmetic number, because the mean of its divisors is an integer number (203927595840).

Almost surely, 2^{3681220811702} is an apocalyptic number.

3681220811702 is a deficient number, since it is larger than the sum of its proper divisors (2844462255178).

3681220811702 is a wasteful number, since it uses less digits than its factorization.

3681220811702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14907596.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 3681220811702 in words is "three trillion, six hundred eighty-one billion, two hundred twenty million, eight hundred eleven thousand, seven hundred two".