1166546042 has 8 divisors (see below), whose sum is σ = 1752771636. Its totient is φ = 582288832.

The previous prime is 1166546041. The next prime is 1166546077. The reversal of 1166546042 is 2406456611.

It can be written as a sum of positive squares in 2 ways, for example, as 1009269361 + 157276681 = 31769^2 + 12541^2 .

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 = 1166545993 and 1166546011.

It is not an unprimeable number, because it can be changed into a prime (1166546041) 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, 490613 + ... + 492984.

Almost surely, 2^1166546042 is an apocalyptic number.

1166546042 is a deficient number, since it is larger than the sum of its proper divisors (586225594).

1166546042 is an equidigital number, since it uses as much as digits as its factorization.

1166546042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984192.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1166546042 is about 34154.7367432396. The cubic root of 1166546042 is about 1052.6903169889.

The spelling of 1166546042 in words is "one billion, one hundred sixty-six million, five hundred forty-six thousand, forty-two".