1166041500 has 96 divisors (see below), whose sum is σ = 3656767296. Its totient is φ = 287020800.

The previous prime is 1166041477. The next prime is 1166041523. The reversal of 1166041500 is 51406611.

It is an interprime number because it is at equal distance from previous prime (1166041477) and next prime (1166041523).

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 31 ways as a sum of consecutive naturals, for example, 10399 + ... + 49398.

It is an arithmetic number, because the mean of its divisors is an integer number (38091326).

Almost surely, 2^1166041500 is an apocalyptic number.

1166041500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166041500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828383648).

1166041500 is an abundant number, since it is smaller than the sum of its proper divisors (2490725796).

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

1166041500 is a wasteful number, since it uses less digits than its factorization.

1166041500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59832 (or 59820 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1166041500 is about 34147.3498239614. The cubic root of 1166041500 is about 1052.5385289898.

The spelling of 1166041500 in words is "one billion, one hundred sixty-six million, forty-one thousand, five hundred".