162212544 has 280 divisors, whose sum is σ = 542147760. Its totient is φ = 47609856.

The previous prime is 162212527. The next prime is 162212549. The reversal of 162212544 is 445212261.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (162212549) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1954327 + ... + 1954409.

It is an arithmetic number, because the mean of its divisors is an integer number (1936242).

Almost surely, 2^162212544 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 162212544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271073880).

162212544 is an abundant number, since it is smaller than the sum of its proper divisors (379935216).

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

162212544 is a wasteful number, since it uses less digits than its factorization.

162212544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 130 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 162212544 is about 12736.2688413836. The cubic root of 162212544 is about 545.3744798844.

The spelling of 162212544 in words is "one hundred sixty-two million, two hundred twelve thousand, five hundred forty-four".