162044889 has 8 divisors (see below), whose sum is σ = 219019872. Its totient is φ = 106549920.

The previous prime is 162044849. The next prime is 162044891. The reversal of 162044889 is 988440261.

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

It is not a de Polignac number, because 162044889 - 2⁸ = 162044633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162044889.

It is not an unprimeable number, because it can be changed into a prime (162044809) 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, 369747 + ... + 370184.

It is an arithmetic number, because the mean of its divisors is an integer number (27377484).

Almost surely, 2^162044889 is an apocalyptic number.

It is an amenable number.

162044889 is a deficient number, since it is larger than the sum of its proper divisors (56974983).

162044889 is an equidigital number, since it uses as much as digits as its factorization.

162044889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740007.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 162044889 is about 12729.6853456792. The cubic root of 162044889 is about 545.1865242653.

The spelling of 162044889 in words is "one hundred sixty-two million, forty-four thousand, eight hundred eighty-nine".