162986105 has 4 divisors (see below), whose sum is σ = 195583332. Its totient is φ = 130388880.

The previous prime is 162986053. The next prime is 162986107. The reversal of 162986105 is 501689261.

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 90174016 + 72812089 = 9496^2 + 8533^2 .

It is not a de Polignac number, because 162986105 - 2¹⁴ = 162969721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162986107) 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 3 ways as a sum of consecutive naturals, for example, 16298606 + ... + 16298615.

It is an arithmetic number, because the mean of its divisors is an integer number (48895833).

Almost surely, 2^162986105 is an apocalyptic number.

It is an amenable number.

162986105 is a deficient number, since it is larger than the sum of its proper divisors (32597227).

162986105 is an equidigital number, since it uses as much as digits as its factorization.

162986105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32597226.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 162986105 is about 12766.6011530086. The cubic root of 162986105 is about 546.2400347628.

The spelling of 162986105 in words is "one hundred sixty-two million, nine hundred eighty-six thousand, one hundred five".