3687372161 has 16 divisors (see below), whose sum is σ = 4241780160. Its totient is φ = 3170119680.

The previous prime is 3687372151. The next prime is 3687372173. The reversal of 3687372161 is 1612737863.

3687372161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3687372161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3687372151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105305 + ... + 135881.

It is an arithmetic number, because the mean of its divisors is an integer number (265111260).

Almost surely, 2^3687372161 is an apocalyptic number.

It is an amenable number.

3687372161 is a deficient number, since it is larger than the sum of its proper divisors (554407999).

3687372161 is a wasteful number, since it uses less digits than its factorization.

3687372161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31184.

The product of its digits is 254016, while the sum is 44.

The square root of 3687372161 is about 60723.7363886644. The cubic root of 3687372161 is about 1544.9187978674.

The spelling of 3687372161 in words is "three billion, six hundred eighty-seven million, three hundred seventy-two thousand, one hundred sixty-one".