162165386 has 4 divisors (see below), whose sum is σ = 243248082. Its totient is φ = 81082692.

The previous prime is 162165379. The next prime is 162165403. The reversal of 162165386 is 683561261.

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

It can be written as a sum of positive squares in only one way, i.e., 162078361 + 87025 = 12731^2 + 295^2 .

It is a super-2 number, since 2×162165386² = 52595224833057992, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40541345 + ... + 40541348.

Almost surely, 2^162165386 is an apocalyptic number.

162165386 is a deficient number, since it is larger than the sum of its proper divisors (81082696).

162165386 is an equidigital number, since it uses as much as digits as its factorization.

162165386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81082695.

The product of its digits is 51840, while the sum is 38.

The square root of 162165386 is about 12734.4173796841. The cubic root of 162165386 is about 545.3216248219.

The spelling of 162165386 in words is "one hundred sixty-two million, one hundred sixty-five thousand, three hundred eighty-six".