989162499024 has 540 divisors, whose sum is σ = 3378204938784. Its totient is φ = 279724088448.

The previous prime is 989162499023. The next prime is 989162499047. The reversal of 989162499024 is 420994261989.

989162499024 is a `hidden beast` number, since 9 + 89 + 1 + 62 + 499 + 0 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989162499023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 529812939 + ... + 529814805.

Almost surely, 2^989162499024 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 989162499024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689102469392).

989162499024 is an abundant number, since it is smaller than the sum of its proper divisors (2389042439760).

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

989162499024 is a wasteful number, since it uses less digits than its factorization.

989162499024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 989162499024 in words is "nine hundred eighty-nine billion, one hundred sixty-two million, four hundred ninety-nine thousand, twenty-four".