3681220674105 has 48 divisors (see below), whose sum is σ = 6876161300736. Its totient is φ = 1811093420160.

The previous prime is 3681220674097. The next prime is 3681220674137. The reversal of 3681220674105 is 5014760221863.

3681220674105 is a `hidden beast` number, since 3 + 6 + 8 + 1 + 220 + 6 + 7 + 410 + 5 = 666.

3681220674105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3681220674105 - 2³ = 3681220674097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1198357 + ... + 2966226.

It is an arithmetic number, because the mean of its divisors is an integer number (143253360432).

Almost surely, 2^{3681220674105} is an apocalyptic number.

It is an amenable number.

3681220674105 is a deficient number, since it is larger than the sum of its proper divisors (3194940626631).

3681220674105 is a wasteful number, since it uses less digits than its factorization.

3681220674105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166118 (or 4166115 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

Adding to 3681220674105 its reverse (5014760221863), we get a palindrome (8695980895968).

The spelling of 3681220674105 in words is "three trillion, six hundred eighty-one billion, two hundred twenty million, six hundred seventy-four thousand, one hundred five".