162486820 has 12 divisors (see below), whose sum is σ = 341222364. Its totient is φ = 64994720.

The previous prime is 162486791. The next prime is 162486823. The reversal of 162486820 is 28684261.

162486820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 107371044 = 7424^2 + 10362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162486820.

It is not an unprimeable number, because it can be changed into a prime (162486823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4062151 + ... + 4062190.

It is an arithmetic number, because the mean of its divisors is an integer number (28435197).

Almost surely, 2^162486820 is an apocalyptic number.

162486820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162486820 is an abundant number, since it is smaller than the sum of its proper divisors (178735544).

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

162486820 is a wasteful number, since it uses less digits than its factorization.

162486820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124350 (or 8124348 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 162486820 is about 12747.0318113669. The cubic root of 162486820 is about 545.6816877386.

It can be divided in two parts, 162486 and 820, that added together give a triangular number (163306 = T₅₇₁).

The spelling of 162486820 in words is "one hundred sixty-two million, four hundred eighty-six thousand, eight hundred twenty".