801161899 has 8 divisors (see below), whose sum is σ = 811605312. Its totient is φ = 790737480.

The previous prime is 801161863. The next prime is 801161903. The reversal of 801161899 is 998161108.

It is a happy number.

801161899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 801161899 - 2¹⁷ = 801030827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801161819) 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, 93072 + ... + 101314.

It is an arithmetic number, because the mean of its divisors is an integer number (101450664).

Almost surely, 2^801161899 is an apocalyptic number.

801161899 is a deficient number, since it is larger than the sum of its proper divisors (10443413).

801161899 is a wasteful number, since it uses less digits than its factorization.

801161899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497.

The product of its (nonzero) digits is 31104, while the sum is 43.

The square root of 801161899 is about 28304.8034616035. The cubic root of 801161899 is about 928.7669707740.

The spelling of 801161899 in words is "eight hundred one million, one hundred sixty-one thousand, eight hundred ninety-nine".