162106989 has 16 divisors (see below), whose sum is σ = 241545024. Its totient is φ = 95849600.

The previous prime is 162106979. The next prime is 162106999. The reversal of 162106989 is 989601261.

It is an interprime number because it is at equal distance from previous prime (162106979) and next prime (162106999).

It is not a de Polignac number, because 162106989 - 2¹⁵ = 162074221 is a prime.

It is a super-2 number, since 2×162106989² = 52557351765292242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162106989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162106909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58554 + ... + 61259.

It is an arithmetic number, because the mean of its divisors is an integer number (15096564).

Almost surely, 2^162106989 is an apocalyptic number.

It is an amenable number.

162106989 is a deficient number, since it is larger than the sum of its proper divisors (79438035).

162106989 is a wasteful number, since it uses less digits than its factorization.

162106989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119868.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 162106989 is about 12732.1242925130. The cubic root of 162106989 is about 545.2561587957.

The spelling of 162106989 in words is "one hundred sixty-two million, one hundred six thousand, nine hundred eighty-nine".