162540868 has 24 divisors (see below), whose sum is σ = 329664384. Its totient is φ = 68678400.

The previous prime is 162540743. The next prime is 162540869. The reversal of 162540868 is 868045261.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 162540868.

It is not an unprimeable number, because it can be changed into a prime (162540869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38893 + ... + 42868.

It is an arithmetic number, because the mean of its divisors is an integer number (13736016).

Almost surely, 2^162540868 is an apocalyptic number.

It is an amenable number.

162540868 is an abundant number, since it is smaller than the sum of its proper divisors (167123516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162540868 is a wasteful number, since it uses less digits than its factorization.

162540868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81843 (or 81841 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 162540868 is about 12749.1516580516. The cubic root of 162540868 is about 545.7421844082.

The spelling of 162540868 in words is "one hundred sixty-two million, five hundred forty thousand, eight hundred sixty-eight".