162244989 has 12 divisors (see below), whose sum is σ = 237852576. Its totient is φ = 106548552.

The previous prime is 162244931. The next prime is 162244993. The reversal of 162244989 is 989442261.

It is a de Polignac number, because none of the positive numbers 2^k-162244989 is a prime.

It is a super-2 number, since 2×162244989² = 52646872911220242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162244919) 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, 133929 + ... + 135134.

It is an arithmetic number, because the mean of its divisors is an integer number (19821048).

Almost surely, 2^162244989 is an apocalyptic number.

It is an amenable number.

162244989 is a deficient number, since it is larger than the sum of its proper divisors (75607587).

162244989 is a wasteful number, since it uses less digits than its factorization.

162244989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269136 (or 269133 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 162244989 is about 12737.5425023825. The cubic root of 162244989 is about 545.4108385509.

The spelling of 162244989 in words is "one hundred sixty-two million, two hundred forty-four thousand, nine hundred eighty-nine".