926128161 has 56 divisors (see below), whose sum is σ = 1604139264. Its totient is φ = 523480320.

The previous prime is 926128141. The next prime is 926128187. The reversal of 926128161 is 161821629.

It is not a de Polignac number, because 926128161 - 2⁷ = 926128033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (926128111) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 494056 + ... + 495926.

It is an arithmetic number, because the mean of its divisors is an integer number (28645344).

Almost surely, 2^926128161 is an apocalyptic number.

It is an amenable number.

926128161 is a deficient number, since it is larger than the sum of its proper divisors (678011103).

926128161 is an equidigital number, since it uses as much as digits as its factorization.

926128161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1978 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 926128161 is about 30432.3538524380. The cubic root of 926128161 is about 974.7435349119.

The spelling of 926128161 in words is "nine hundred twenty-six million, one hundred twenty-eight thousand, one hundred sixty-one".