1166631472 has 10 divisors (see below), whose sum is σ = 2260348508. Its totient is φ = 583315728.

The previous prime is 1166631451. The next prime is 1166631481. The reversal of 1166631472 is 2741366611.

It is a super-2 number, since 2×1166631472² = 2722057982921773568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36457218 + ... + 36457249.

Almost surely, 2^1166631472 is an apocalyptic number.

It is an amenable number.

1166631472 is a deficient number, since it is larger than the sum of its proper divisors (1093717036).

1166631472 is an equidigital number, since it uses as much as digits as its factorization.

1166631472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72914475 (or 72914469 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 1166631472 is about 34155.9873521466. The cubic root of 1166631472 is about 1052.7160136853.

The spelling of 1166631472 in words is "one billion, one hundred sixty-six million, six hundred thirty-one thousand, four hundred seventy-two".