1158183957 has 16 divisors (see below), whose sum is σ = 1769472000. Its totient is φ = 660086832.

The previous prime is 1158183947. The next prime is 1158183959. The reversal of 1158183957 is 7593818511.

It is a happy number.

It is not a de Polignac number, because 1158183957 - 2¹⁰ = 1158182933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158183959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63957 + ... + 80042.

It is an arithmetic number, because the mean of its divisors is an integer number (110592000).

Almost surely, 2^1158183957 is an apocalyptic number.

It is an amenable number.

1158183957 is a deficient number, since it is larger than the sum of its proper divisors (611288043).

1158183957 is a wasteful number, since it uses less digits than its factorization.

1158183957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144392.

The product of its digits is 302400, while the sum is 48.

The square root of 1158183957 is about 34032.1018598617. The cubic root of 1158183957 is about 1050.1689696328.

The spelling of 1158183957 in words is "one billion, one hundred fifty-eight million, one hundred eighty-three thousand, nine hundred fifty-seven".