1166285860 has 12 divisors (see below), whose sum is σ = 2449200348. Its totient is φ = 466514336.

The previous prime is 1166285839. The next prime is 1166285881. The reversal of 1166285860 is 685826611.

It is an interprime number because it is at equal distance from previous prime (1166285839) and next prime (1166285881).

It can be written as a sum of positive squares in 2 ways, for example, as 708411456 + 457874404 = 26616^2 + 21398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29157127 + ... + 29157166.

It is an arithmetic number, because the mean of its divisors is an integer number (204100029).

Almost surely, 2^1166285860 is an apocalyptic number.

1166285860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166285860 is an abundant number, since it is smaller than the sum of its proper divisors (1282914488).

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

1166285860 is a wasteful number, since it uses less digits than its factorization.

1166285860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58314302 (or 58314300 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1166285860 is about 34150.9276594355. The cubic root of 1166285860 is about 1052.6120484859.

The spelling of 1166285860 in words is "one billion, one hundred sixty-six million, two hundred eighty-five thousand, eight hundred sixty".