162768845 has 4 divisors (see below), whose sum is σ = 195322620. Its totient is φ = 130215072.

The previous prime is 162768821. The next prime is 162768857. The reversal of 162768845 is 548867261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548867261 = 659 ⋅832879.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 108097609 = 7394^2 + 10397^2 .

It is a cyclic number.

It is not a de Polignac number, because 162768845 - 2¹⁰ = 162767821 is a prime.

It is a super-3 number, since 3×162768845³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 162768845.

It is a congruent number.

It is an unprimeable number.

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, 16276880 + ... + 16276889.

It is an arithmetic number, because the mean of its divisors is an integer number (48830655).

Almost surely, 2^162768845 is an apocalyptic number.

It is an amenable number.

162768845 is a deficient number, since it is larger than the sum of its proper divisors (32553775).

162768845 is an equidigital number, since it uses as much as digits as its factorization.

162768845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32553774.

The product of its digits is 645120, while the sum is 47.

The square root of 162768845 is about 12758.0893945763. The cubic root of 162768845 is about 545.9972147165.

The spelling of 162768845 in words is "one hundred sixty-two million, seven hundred sixty-eight thousand, eight hundred forty-five".