1166499898 has 8 divisors (see below), whose sum is σ = 1749904020. Its totient is φ = 583198560.

The previous prime is 1166499881. The next prime is 1166499941. The reversal of 1166499898 is 8989946611.

It can be written as a sum of positive squares in 2 ways, for example, as 1135218249 + 31281649 = 33693^2 + 5593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16608 + ... + 51076.

Almost surely, 2^1166499898 is an apocalyptic number.

1166499898 is a deficient number, since it is larger than the sum of its proper divisors (583404122).

1166499898 is a wasteful number, since it uses less digits than its factorization.

1166499898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51392.

The product of its digits is 6718464, while the sum is 61.

The square root of 1166499898 is about 34154.0612226423. The cubic root of 1166499898 is about 1052.6764367016.

The spelling of 1166499898 in words is "one billion, one hundred sixty-six million, four hundred ninety-nine thousand, eight hundred ninety-eight".