162816560 has 40 divisors (see below), whose sum is σ = 380506896. Its totient is φ = 64789760.

The previous prime is 162816547. The next prime is 162816569. The reversal of 162816560 is 65618261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 162816560.

It is not an unprimeable number, because it can be changed into a prime (162816569) 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, 10595 + ... + 20925.

Almost surely, 2^162816560 is an apocalyptic number.

162816560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162816560 is an abundant number, since it is smaller than the sum of its proper divisors (217690336).

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

162816560 is a wasteful number, since it uses less digits than its factorization.

162816560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541 (or 10535 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 162816560 is about 12759.9592475838. The cubic root of 162816560 is about 546.0505617638.

The spelling of 162816560 in words is "one hundred sixty-two million, eight hundred sixteen thousand, five hundred sixty".