1151166000 has 80 divisors (see below), whose sum is σ = 3711378528. Its totient is φ = 306976000.

The previous prime is 1151165947. The next prime is 1151166001. The reversal of 1151166000 is 6611511.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1151166001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 89931 + ... + 101930.

Almost surely, 2^1151166000 is an apocalyptic number.

1151166000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151166000 is an abundant number, since it is smaller than the sum of its proper divisors (2560212528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151166000 is a wasteful number, since it uses less digits than its factorization.

1151166000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191887 (or 191871 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1151166000 is about 33928.8372921914. The cubic root of 1151166000 is about 1048.0435222685.

Adding to 1151166000 its reverse (6611511), we get a palindrome (1157777511).

The spelling of 1151166000 in words is "one billion, one hundred fifty-one million, one hundred sixty-six thousand".