162689472 has 196 divisors, whose sum is σ = 529702776. Its totient is φ = 49144320.

The previous prime is 162689459. The next prime is 162689477. The reversal of 162689472 is 274986261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162689477) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 513058 + ... + 513374.

Almost surely, 2^162689472 is an apocalyptic number.

162689472 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 162689472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264851388).

162689472 is an abundant number, since it is smaller than the sum of its proper divisors (367013304).

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

162689472 is an equidigital number, since it uses as much as digits as its factorization.

162689472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 333 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 162689472 is about 12754.9783222082. The cubic root of 162689472 is about 545.9084498115.

The spelling of 162689472 in words is "one hundred sixty-two million, six hundred eighty-nine thousand, four hundred seventy-two".