1158168426 has 16 divisors (see below), whose sum is σ = 2316903264. Its totient is φ = 385961744.

The previous prime is 1158168421. The next prime is 1158168437. The reversal of 1158168426 is 6248618511.

It is not an unprimeable number, because it can be changed into a prime (1158168421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800 + ... + 48476.

It is an arithmetic number, because the mean of its divisors is an integer number (144806454).

Almost surely, 2^1158168426 is an apocalyptic number.

1158168426 is an abundant number, since it is smaller than the sum of its proper divisors (1158734838).

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

1158168426 is a wasteful number, since it uses less digits than its factorization.

1158168426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47205.

The product of its digits is 92160, while the sum is 42.

The square root of 1158168426 is about 34031.8736774806. The cubic root of 1158168426 is about 1050.1642754311.

The spelling of 1158168426 in words is "one billion, one hundred fifty-eight million, one hundred sixty-eight thousand, four hundred twenty-six".