162489664 has 56 divisors (see below), whose sum is σ = 338986368. Its totient is φ = 77130240.

The previous prime is 162489659. The next prime is 162489713. The reversal of 162489664 is 466984261.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

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, 245494 + ... + 246154.

It is an arithmetic number, because the mean of its divisors is an integer number (6053328).

Almost surely, 2^162489664 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 162489664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169493184).

162489664 is an abundant number, since it is smaller than the sum of its proper divisors (176496704).

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

162489664 is a wasteful number, since it uses less digits than its factorization.

162489664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 853 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 162489664 is about 12747.1433662605. The cubic root of 162489664 is about 545.6848714013.

The spelling of 162489664 in words is "one hundred sixty-two million, four hundred eighty-nine thousand, six hundred sixty-four".