3791513161 has 4 divisors (see below), whose sum is σ = 3791910352. Its totient is φ = 3791115972.

The previous prime is 3791513149. The next prime is 3791513191. The reversal of 3791513161 is 1613151973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1613151973 = 16249 ⋅99277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3791513161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3791513161.

It is not an unprimeable number, because it can be changed into a prime (3791513101) 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 3 ways as a sum of consecutive naturals, for example, 183915 + ... + 203488.

It is an arithmetic number, because the mean of its divisors is an integer number (947977588).

Almost surely, 2^3791513161 is an apocalyptic number.

It is an amenable number.

3791513161 is a deficient number, since it is larger than the sum of its proper divisors (397191).

3791513161 is an equidigital number, since it uses as much as digits as its factorization.

3791513161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397190.

The product of its digits is 17010, while the sum is 37.

The square root of 3791513161 is about 61575.2641975656. The cubic root of 3791513161 is about 1559.3281625181.

It can be divided in two parts, 37915 and 13161, that added together give a square (51076 = 226²).

The spelling of 3791513161 in words is "three billion, seven hundred ninety-one million, five hundred thirteen thousand, one hundred sixty-one".