3795156561 has 24 divisors (see below), whose sum is σ = 6045484480. Its totient is φ = 2074365216.

The previous prime is 3795156557. The next prime is 3795156581. The reversal of 3795156561 is 1656515973.

It is not a de Polignac number, because 3795156561 - 2² = 3795156557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3795156561.

It is not an unprimeable number, because it can be changed into a prime (3795156581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159706 + ... + 181923.

Almost surely, 2^3795156561 is an apocalyptic number.

It is an amenable number.

3795156561 is a deficient number, since it is larger than the sum of its proper divisors (2250327919).

3795156561 is a wasteful number, since it uses less digits than its factorization.

3795156561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341685 (or 341662 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 3795156561 is about 61604.8420256070. The cubic root of 3795156561 is about 1559.8274739349.

The spelling of 3795156561 in words is "three billion, seven hundred ninety-five million, one hundred fifty-six thousand, five hundred sixty-one".