1123546666 has 8 divisors (see below), whose sum is σ = 1838530944. Its totient is φ = 510703020.

The previous prime is 1123546661. The next prime is 1123546673. The reversal of 1123546666 is 6666453211.

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

It is a super-2 number, since 2×1123546666² = 2524714221359431112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123546661) 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, 25535130 + ... + 25535173.

It is an arithmetic number, because the mean of its divisors is an integer number (229816368).

Almost surely, 2^1123546666 is an apocalyptic number.

1123546666 is a deficient number, since it is larger than the sum of its proper divisors (714984278).

1123546666 is a wasteful number, since it uses less digits than its factorization.

1123546666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51070316.

The product of its digits is 155520, while the sum is 40.

The square root of 1123546666 is about 33519.3476368500. The cubic root of 1123546666 is about 1039.5938583024.

Adding to 1123546666 its reverse (6666453211), we get a palindrome (7789999877).

The spelling of 1123546666 in words is "one billion, one hundred twenty-three million, five hundred forty-six thousand, six hundred sixty-six".