162898272 has 72 divisors (see below), whose sum is σ = 475793136. Its totient is φ = 52828416.

The previous prime is 162898261. The next prime is 162898279. The reversal of 162898272 is 272898261.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162898279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3013 + ... + 18299.

It is an arithmetic number, because the mean of its divisors is an integer number (6608238).

Almost surely, 2^162898272 is an apocalyptic number.

162898272 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 162898272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237896568).

162898272 is an abundant number, since it is smaller than the sum of its proper divisors (312894864).

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

162898272 is a wasteful number, since it uses less digits than its factorization.

162898272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340 (or 15329 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 162898272 is about 12763.1607370588. The cubic root of 162898272 is about 546.1418944500.

The spelling of 162898272 in words is "one hundred sixty-two million, eight hundred ninety-eight thousand, two hundred seventy-two".