1166376415 has 4 divisors (see below), whose sum is σ = 1399651704. Its totient is φ = 933101128.

The previous prime is 1166376413. The next prime is 1166376439. The reversal of 1166376415 is 5146736611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1166376415 - 2¹ = 1166376413 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166376413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116637637 + ... + 116637646.

It is an arithmetic number, because the mean of its divisors is an integer number (349912926).

Almost surely, 2^1166376415 is an apocalyptic number.

1166376415 is a deficient number, since it is larger than the sum of its proper divisors (233275289).

1166376415 is an equidigital number, since it uses as much as digits as its factorization.

1166376415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233275288.

The product of its digits is 90720, while the sum is 40.

The square root of 1166376415 is about 34152.2534395609. The cubic root of 1166376415 is about 1052.6392907542.

The spelling of 1166376415 in words is "one billion, one hundred sixty-six million, three hundred seventy-six thousand, four hundred fifteen".