3747826161 has 12 divisors (see below), whose sum is σ = 5414767488. Its totient is φ = 2497978104.

The previous prime is 3747826157. The next prime is 3747826177. The reversal of 3747826161 is 1616287473.

It is not a de Polignac number, because 3747826161 - 2² = 3747826157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3747816161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4185 + ... + 86678.

It is an arithmetic number, because the mean of its divisors is an integer number (451230624).

Almost surely, 2^3747826161 is an apocalyptic number.

It is an amenable number.

3747826161 is a deficient number, since it is larger than the sum of its proper divisors (1666941327).

3747826161 is a wasteful number, since it uses less digits than its factorization.

3747826161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95452 (or 95449 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 3747826161 is about 61219.4916754460. The cubic root of 3747826161 is about 1553.3159894738.

The spelling of 3747826161 in words is "three billion, seven hundred forty-seven million, eight hundred twenty-six thousand, one hundred sixty-one".