8573494416 has 80 divisors (see below), whose sum is σ = 23065428480. Its totient is φ = 2741114880.

The previous prime is 8573494409. The next prime is 8573494441. The reversal of 8573494416 is 6144943758.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142650 + ... + 193638.

It is an arithmetic number, because the mean of its divisors is an integer number (288317856).

Almost surely, 2^8573494416 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 8573494416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11532714240).

8573494416 is an abundant number, since it is smaller than the sum of its proper divisors (14491934064).

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

8573494416 is a wasteful number, since it uses less digits than its factorization.

8573494416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51144 (or 51138 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 8573494416 is about 92593.1661409199. The cubic root of 8573494416 is about 2046.6926177830.

The spelling of 8573494416 in words is "eight billion, five hundred seventy-three million, four hundred ninety-four thousand, four hundred sixteen".