801678163 has 16 divisors (see below), whose sum is σ = 997236576. Its totient is φ = 633162240.

The previous prime is 801678139. The next prime is 801678203. The reversal of 801678163 is 361876108.

It is a cyclic number.

It is not a de Polignac number, because 801678163 - 2⁹ = 801677651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801678463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162456 + ... + 167317.

It is an arithmetic number, because the mean of its divisors is an integer number (62327286).

Almost surely, 2^801678163 is an apocalyptic number.

801678163 is a deficient number, since it is larger than the sum of its proper divisors (195558413).

801678163 is a wasteful number, since it uses less digits than its factorization.

801678163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329814.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 801678163 is about 28313.9217170635. The cubic root of 801678163 is about 928.9664252561.

The spelling of 801678163 in words is "eight hundred one million, six hundred seventy-eight thousand, one hundred sixty-three".