1166865060 has 24 divisors (see below), whose sum is σ = 3267222336. Its totient is φ = 311164000.

The previous prime is 1166865053. The next prime is 1166865109. The reversal of 1166865060 is 605686611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9723816 + ... + 9723935.

It is an arithmetic number, because the mean of its divisors is an integer number (136134264).

Almost surely, 2^1166865060 is an apocalyptic number.

1166865060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166865060 is an abundant number, since it is smaller than the sum of its proper divisors (2100357276).

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

1166865060 is a wasteful number, since it uses less digits than its factorization.

1166865060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19447763 (or 19447761 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1166865060 is about 34159.4066107712. The cubic root of 1166865060 is about 1052.7862687813.

The spelling of 1166865060 in words is "one billion, one hundred sixty-six million, eight hundred sixty-five thousand, sixty".