162643416 has 128 divisors (see below), whose sum is σ = 458243520. Its totient is φ = 47775744.

The previous prime is 162643399. The next prime is 162643417. The reversal of 162643416 is 614346261.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162643417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842616 + ... + 842808.

Almost surely, 2^162643416 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 162643416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229121760).

162643416 is an abundant number, since it is smaller than the sum of its proper divisors (295600104).

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

162643416 is a wasteful number, since it uses less digits than its factorization.

162643416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 321 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 162643416 is about 12753.1727817042. The cubic root of 162643416 is about 545.8569309431.

Adding to 162643416 its reverse (614346261), we get a palindrome (776989677).

The spelling of 162643416 in words is "one hundred sixty-two million, six hundred forty-three thousand, four hundred sixteen".