8160984450 has 36 divisors (see below), whose sum is σ = 21925846098. Its totient is φ = 2176262400.

The previous prime is 8160984437. The next prime is 8160984457. The reversal of 8160984450 is 544890618.

It can be written as a sum of positive squares in 3 ways, for example, as 7161729129 + 999255321 = 84627^2 + 31611^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 8160984396 and 8160984405.

It is not an unprimeable number, because it can be changed into a prime (8160984457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9067311 + ... + 9068210.

Almost surely, 2^8160984450 is an apocalyptic number.

8160984450 is an abundant number, since it is smaller than the sum of its proper divisors (13764861648).

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

8160984450 is a wasteful number, since it uses less digits than its factorization.

8160984450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18135539 (or 18135531 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 8160984450 is about 90338.1671830904. The cubic root of 8160984450 is about 2013.3263774436.

The spelling of 8160984450 in words is "eight billion, one hundred sixty million, nine hundred eighty-four thousand, four hundred fifty".