162164999 has 4 divisors (see below), whose sum is σ = 167396160. Its totient is φ = 156933840.

The previous prime is 162164957. The next prime is 162165007. The reversal of 162164999 is 999461261.

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

It is a cyclic number.

It is not a de Polignac number, because 162164999 - 2¹² = 162160903 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 (162164939) 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, 2615534 + ... + 2615595.

It is an arithmetic number, because the mean of its divisors is an integer number (41849040).

Almost surely, 2^162164999 is an apocalyptic number.

162164999 is a deficient number, since it is larger than the sum of its proper divisors (5231161).

162164999 is an equidigital number, since it uses as much as digits as its factorization.

162164999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231160.

The product of its digits is 209952, while the sum is 47.

The square root of 162164999 is about 12734.4021846336. The cubic root of 162164999 is about 545.3211910269.

The spelling of 162164999 in words is "one hundred sixty-two million, one hundred sixty-four thousand, nine hundred ninety-nine".