162943956 has 72 divisors (see below), whose sum is σ = 472856384. Its totient is φ = 46344960.

The previous prime is 162943951. The next prime is 162943999. The reversal of 162943956 is 659349261.

162943956 is a `hidden beast` number, since 162 + 9 + 439 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162943951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59391 + ... + 62073.

Almost surely, 2^162943956 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 162943956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236428192).

162943956 is an abundant number, since it is smaller than the sum of its proper divisors (309912428).

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

162943956 is a wasteful number, since it uses less digits than its factorization.

162943956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2936 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 162943956 is about 12764.9502936753. The cubic root of 162943956 is about 546.1929439261.

The spelling of 162943956 in words is "one hundred sixty-two million, nine hundred forty-three thousand, nine hundred fifty-six".