801981162 has 24 divisors (see below), whose sum is σ = 1801983456. Its totient is φ = 267326892.

The previous prime is 801981161. The next prime is 801981247. The reversal of 801981162 is 261189108.

It is not an unprimeable number, because it can be changed into a prime (801981161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824598 + ... + 825569.

It is an arithmetic number, because the mean of its divisors is an integer number (75082644).

Almost surely, 2^801981162 is an apocalyptic number.

801981162 is an abundant number, since it is smaller than the sum of its proper divisors (1000002294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

801981162 is a wasteful number, since it uses less digits than its factorization.

801981162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650184 (or 1650172 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 801981162 is about 28319.2719186069. The cubic root of 801981162 is about 929.0834466314.

The spelling of 801981162 in words is "eight hundred one million, nine hundred eighty-one thousand, one hundred sixty-two".