162158436 has 120 divisors (see below), whose sum is σ = 466893504. Its totient is φ = 48669120.

The previous prime is 162158411. The next prime is 162158449. The reversal of 162158436 is 634851261.

It is a happy number.

162158436 is a `hidden beast` number, since 1 + 6 + 215 + 8 + 436 = 666.

162158436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 162158436.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 616441 + ... + 616703.

Almost surely, 2^162158436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162158436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233446752).

162158436 is an abundant number, since it is smaller than the sum of its proper divisors (304735068).

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

162158436 is a wasteful number, since it uses less digits than its factorization.

162158436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 452 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 162158436 is about 12734.1444942328. The cubic root of 162158436 is about 545.3138343402.

The spelling of 162158436 in words is "one hundred sixty-two million, one hundred fifty-eight thousand, four hundred thirty-six".