162164445 has 16 divisors (see below), whose sum is σ = 274726080. Its totient is φ = 81400064.

The previous prime is 162164407. The next prime is 162164447. The reversal of 162164445 is 544461261.

It is a cyclic number.

It is not a de Polignac number, because 162164445 - 2¹⁴ = 162148061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162164447) 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 15 ways as a sum of consecutive naturals, for example, 317715 + ... + 318224.

It is an arithmetic number, because the mean of its divisors is an integer number (17170380).

Almost surely, 2^162164445 is an apocalyptic number.

162164445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162164445 is a deficient number, since it is larger than the sum of its proper divisors (112561635).

162164445 is a wasteful number, since it uses less digits than its factorization.

162164445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635964.

The product of its digits is 23040, while the sum is 33.

The square root of 162164445 is about 12734.3804325142. The cubic root of 162164445 is about 545.3205700374.

It can be divided in two parts, 1621 and 64445, that added together give a palindrome (66066).

The spelling of 162164445 in words is "one hundred sixty-two million, one hundred sixty-four thousand, four hundred forty-five".