162645312 has 56 divisors (see below), whose sum is σ = 433055776. Its totient is φ = 53872128.

The previous prime is 162645293. The next prime is 162645317. The reversal of 162645312 is 213546261.

It is a self number, because there is not a number n which added to its sum of digits gives 162645312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162645317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28698 + ... + 33894.

Almost surely, 2^162645312 is an apocalyptic number.

162645312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162645312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216527888).

162645312 is an abundant number, since it is smaller than the sum of its proper divisors (270410464).

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

162645312 is a wasteful number, since it uses less digits than its factorization.

162645312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375 (or 5365 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 162645312 is about 12753.2471159309. The cubic root of 162645312 is about 545.8590520264.

The spelling of 162645312 in words is "one hundred sixty-two million, six hundred forty-five thousand, three hundred twelve".