8989490160 has 400 divisors, whose sum is σ = 36297676800. Its totient is φ = 2019313152.

The previous prime is 8989490119. The next prime is 8989490207. The reversal of 8989490160 is 610949898.

8989490160 is a `hidden beast` number, since 8 + 98 + 9 + 490 + 1 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 8989490097 and 8989490106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2674561 + ... + 2677919.

It is an arithmetic number, because the mean of its divisors is an integer number (90744192).

Almost surely, 2^8989490160 is an apocalyptic number.

8989490160 is a gapful number since it is divisible by the number (80) 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 8989490160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18148838400).

8989490160 is an abundant number, since it is smaller than the sum of its proper divisors (27308186640).

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

8989490160 is a wasteful number, since it uses less digits than its factorization.

8989490160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 8989490160 is about 94812.9219041371. The cubic root of 8989490160 is about 2079.2738281151.

The spelling of 8989490160 in words is "eight billion, nine hundred eighty-nine million, four hundred ninety thousand, one hundred sixty".