162728412 has 144 divisors (see below), whose sum is σ = 487992960. Its totient is φ = 41731200.

The previous prime is 162728399. The next prime is 162728443. The reversal of 162728412 is 214827261.

162728412 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 (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 898962 + ... + 899142.

It is an arithmetic number, because the mean of its divisors is an integer number (3388840).

Almost surely, 2^162728412 is an apocalyptic number.

162728412 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 162728412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243996480).

162728412 is an abundant number, since it is smaller than the sum of its proper divisors (325264548).

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

162728412 is a wasteful number, since it uses less digits than its factorization.

162728412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 343 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 162728412 is about 12756.5046936847. The cubic root of 162728412 is about 545.9520010402.

The spelling of 162728412 in words is "one hundred sixty-two million, seven hundred twenty-eight thousand, four hundred twelve".