1166147115 has 16 divisors (see below), whose sum is σ = 2132383488. Its totient is φ = 533095776.

The previous prime is 1166147107. The next prime is 1166147131. The reversal of 1166147115 is 5117416611.

It is a happy number.

1166147115 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1166147115 - 2³ = 1166147107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5552977 + ... + 5553186.

It is an arithmetic number, because the mean of its divisors is an integer number (133273968).

Almost surely, 2^1166147115 is an apocalyptic number.

1166147115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1166147115 is a deficient number, since it is larger than the sum of its proper divisors (966236373).

1166147115 is a wasteful number, since it uses less digits than its factorization.

1166147115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106178.

The product of its digits is 5040, while the sum is 33.

The square root of 1166147115 is about 34148.8962486344. The cubic root of 1166147115 is about 1052.5703061608.

The spelling of 1166147115 in words is "one billion, one hundred sixty-six million, one hundred forty-seven thousand, one hundred fifteen".