9158316825 has 144 divisors (see below), whose sum is σ = 19143536640. Its totient is φ = 3837456000.

The previous prime is 9158316809. The next prime is 9158316851. The reversal of 9158316825 is 5286138519.

It is a happy number.

It is not a de Polignac number, because 9158316825 - 2⁴ = 9158316809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2162460 + ... + 2166690.

Almost surely, 2^9158316825 is an apocalyptic number.

9158316825 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9158316825 is an abundant number, since it is smaller than the sum of its proper divisors (9985219815).

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

9158316825 is a wasteful number, since it uses less digits than its factorization.

9158316825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4296 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 9158316825 is about 95699.0952151586. The cubic root of 9158316825 is about 2092.2097477845.

The spelling of 9158316825 in words is "nine billion, one hundred fifty-eight million, three hundred sixteen thousand, eight hundred twenty-five".