162860816 has 40 divisors (see below), whose sum is σ = 336132504. Its totient is φ = 76175360.

The previous prime is 162860813. The next prime is 162860843. The reversal of 162860816 is 618068261.

It can be written as a sum of positive squares in 4 ways, for example, as 54700816 + 108160000 = 7396^2 + 10400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162860816.

It is not an unprimeable number, because it can be changed into a prime (162860813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45326 + ... + 48786.

Almost surely, 2^162860816 is an apocalyptic number.

162860816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162860816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168066252).

162860816 is an abundant number, since it is smaller than the sum of its proper divisors (173271688).

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

162860816 is a wasteful number, since it uses less digits than its factorization.

162860816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 162860816 is about 12761.6933045737. The cubic root of 162860816 is about 546.1000322117.

The spelling of 162860816 in words is "one hundred sixty-two million, eight hundred sixty thousand, eight hundred sixteen".