1166551252 has 12 divisors (see below), whose sum is σ = 2042893440. Its totient is φ = 582867416.

The previous prime is 1166551241. The next prime is 1166551273. The reversal of 1166551252 is 2521556611.

It is a super-3 number, since 3×1166551252³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 95578 + ... + 107089.

It is an arithmetic number, because the mean of its divisors is an integer number (170241120).

Almost surely, 2^1166551252 is an apocalyptic number.

It is an amenable number.

1166551252 is a deficient number, since it is larger than the sum of its proper divisors (876342188).

1166551252 is a wasteful number, since it uses less digits than its factorization.

1166551252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204110 (or 204108 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 1166551252 is about 34154.8130136881. The cubic root of 1166551252 is about 1052.6918841533.

The spelling of 1166551252 in words is "one billion, one hundred sixty-six million, five hundred fifty-one thousand, two hundred fifty-two".