162156340 has 12 divisors (see below), whose sum is σ = 340528356. Its totient is φ = 64862528.

The previous prime is 162156331. The next prime is 162156341. The reversal of 162156340 is 43651261.

162156340 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 66781584 + 95374756 = 8172^2 + 9766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162156299 and 162156308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162156341) 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, 4053889 + ... + 4053928.

It is an arithmetic number, because the mean of its divisors is an integer number (28377363).

Almost surely, 2^162156340 is an apocalyptic number.

162156340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162156340 is an abundant number, since it is smaller than the sum of its proper divisors (178372016).

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

162156340 is a wasteful number, since it uses less digits than its factorization.

162156340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107826 (or 8107824 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 162156340 is about 12734.0621955447. The cubic root of 162156340 is about 545.3114848217.

The spelling of 162156340 in words is "one hundred sixty-two million, one hundred fifty-six thousand, three hundred forty".