162104989 has 4 divisors (see below), whose sum is σ = 169153056. Its totient is φ = 155056924.

The previous prime is 162104923. The next prime is 162105007. The reversal of 162104989 is 989401261.

162104989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162104989 - 2⁷ = 162104861 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 (162102989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523999 + ... + 3524044.

It is an arithmetic number, because the mean of its divisors is an integer number (42288264).

Almost surely, 2^162104989 is an apocalyptic number.

It is an amenable number.

162104989 is a deficient number, since it is larger than the sum of its proper divisors (7048067).

162104989 is an equidigital number, since it uses as much as digits as its factorization.

162104989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048066.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 162104989 is about 12732.0457507818. The cubic root of 162104989 is about 545.2539164149.

The spelling of 162104989 in words is "one hundred sixty-two million, one hundred four thousand, nine hundred eighty-nine".