1166915942 has 8 divisors (see below), whose sum is σ = 1752428496. Its totient is φ = 582773112.

The previous prime is 1166915927. The next prime is 1166915947. The reversal of 1166915942 is 2495196611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1166915893 and 1166915902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166915947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340298 + ... + 343709.

It is an arithmetic number, because the mean of its divisors is an integer number (219053562).

Almost surely, 2^1166915942 is an apocalyptic number.

1166915942 is a deficient number, since it is larger than the sum of its proper divisors (585512554).

1166915942 is an equidigital number, since it uses as much as digits as its factorization.

1166915942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684862.

The product of its digits is 116640, while the sum is 44.

The square root of 1166915942 is about 34160.1513755428. The cubic root of 1166915942 is about 1052.8015710626.

The spelling of 1166915942 in words is "one billion, one hundred sixty-six million, nine hundred fifteen thousand, nine hundred forty-two".