801890169 has 8 divisors (see below), whose sum is σ = 1077349152. Its totient is φ = 530512320.

The previous prime is 801890143. The next prime is 801890189. The reversal of 801890169 is 961098108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 801890169 - 2¹⁶ = 801824633 is a prime.

It is a super-2 number, since 2×801890169² = 1286055686277697122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 801890169.

It is not an unprimeable number, because it can be changed into a prime (801890189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019824 + ... + 1020609.

It is an arithmetic number, because the mean of its divisors is an integer number (134668644).

Almost surely, 2^801890169 is an apocalyptic number.

It is an amenable number.

801890169 is a deficient number, since it is larger than the sum of its proper divisors (275458983).

801890169 is a wasteful number, since it uses less digits than its factorization.

801890169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040567.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 801890169 is about 28317.6653169007. The cubic root of 801890169 is about 929.0483072825.

The spelling of 801890169 in words is "eight hundred one million, eight hundred ninety thousand, one hundred sixty-nine".