3895166226257 has 4 divisors (see below), whose sum is σ = 3959021410356. Its totient is φ = 3831311042160.

The previous prime is 3895166226247. The next prime is 3895166226283. The reversal of 3895166226257 is 7526226615983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1754668480321 + 2140497745936 = 1324639^2 + 1463044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3895166226257 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 3895166226257.

It is not an unprimeable number, because it can be changed into a prime (3895166226247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31927591958 + ... + 31927592079.

It is an arithmetic number, because the mean of its divisors is an integer number (989755352589).

Almost surely, 2^{3895166226257} is an apocalyptic number.

It is an amenable number.

3895166226257 is a deficient number, since it is larger than the sum of its proper divisors (63855184099).

3895166226257 is an equidigital number, since it uses as much as digits as its factorization.

3895166226257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63855184098.

The product of its digits is 65318400, while the sum is 62.

The spelling of 3895166226257 in words is "three trillion, eight hundred ninety-five billion, one hundred sixty-six million, two hundred twenty-six thousand, two hundred fifty-seven".