1166898117 has 32 divisors (see below), whose sum is σ = 1946096640. Its totient is φ = 604206720.

The previous prime is 1166898107. The next prime is 1166898133. The reversal of 1166898117 is 7118986611.

It is not a de Polignac number, because 1166898117 - 2⁷ = 1166897989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166898107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64234 + ... + 80372.

It is an arithmetic number, because the mean of its divisors is an integer number (60815520).

Almost surely, 2^1166898117 is an apocalyptic number.

It is an amenable number.

1166898117 is a deficient number, since it is larger than the sum of its proper divisors (779198523).

1166898117 is a wasteful number, since it uses less digits than its factorization.

1166898117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16473.

The product of its digits is 145152, while the sum is 48.

The square root of 1166898117 is about 34159.8904711359. The cubic root of 1166898117 is about 1052.7962104127.

The spelling of 1166898117 in words is "one billion, one hundred sixty-six million, eight hundred ninety-eight thousand, one hundred seventeen".