162251984 has 40 divisors (see below), whose sum is σ = 328941000. Its totient is φ = 77428736.

The previous prime is 162251983. The next prime is 162251989. The reversal of 162251984 is 489152261.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 162001984 = 500^2 + 12728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162251983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39332 + ... + 43260.

It is an arithmetic number, because the mean of its divisors is an integer number (8223525).

Almost surely, 2^162251984 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 162251984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164470500).

162251984 is an abundant number, since it is smaller than the sum of its proper divisors (166689016).

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

162251984 is a wasteful number, since it uses less digits than its factorization.

162251984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055 (or 4049 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 162251984 is about 12737.8170814312. The cubic root of 162251984 is about 545.4186766851.

The spelling of 162251984 in words is "one hundred sixty-two million, two hundred fifty-one thousand, nine hundred eighty-four".