1166551532 has 24 divisors (see below), whose sum is σ = 2057748000. Its totient is φ = 578641536.

The previous prime is 1166551517. The next prime is 1166551541. The reversal of 1166551532 is 2351556611.

It is a junction number, because it is equal to n+sod(n) for n = 1166551492 and 1166551501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294944 + ... + 298872.

It is an arithmetic number, because the mean of its divisors is an integer number (85739500).

Almost surely, 2^1166551532 is an apocalyptic number.

It is an amenable number.

1166551532 is a deficient number, since it is larger than the sum of its proper divisors (891196468).

1166551532 is a wasteful number, since it uses less digits than its factorization.

1166551532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4503 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 1166551532 is about 34154.8171126709. The cubic root of 1166551532 is about 1052.6919683770.

The spelling of 1166551532 in words is "one billion, one hundred sixty-six million, five hundred fifty-one thousand, five hundred thirty-two".