162994189 has 4 divisors (see below), whose sum is σ = 163090620. Its totient is φ = 162897760.

The previous prime is 162994177. The next prime is 162994193. The reversal of 162994189 is 981499261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109558089 + 53436100 = 10467^2 + 7310^2 .

It is a cyclic number.

It is not a de Polignac number, because 162994189 - 2⁵ = 162994157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162994159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45634 + ... + 49075.

It is an arithmetic number, because the mean of its divisors is an integer number (40772655).

Almost surely, 2^162994189 is an apocalyptic number.

It is an amenable number.

162994189 is a deficient number, since it is larger than the sum of its proper divisors (96431).

162994189 is an equidigital number, since it uses as much as digits as its factorization.

162994189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96430.

The product of its digits is 279936, while the sum is 49.

The square root of 162994189 is about 12766.9177564516. The cubic root of 162994189 is about 546.2490656583.

The spelling of 162994189 in words is "one hundred sixty-two million, nine hundred ninety-four thousand, one hundred eighty-nine".