1166790684 has 24 divisors (see below), whose sum is σ = 2865802240. Its totient is φ = 368460144.

The previous prime is 1166790659. The next prime is 1166790721. The reversal of 1166790684 is 4860976611.

It is a happy number.

It is a super-2 number, since 2×1166790684² = 2722801000538375712, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2558524 + ... + 2558979.

Almost surely, 2^1166790684 is an apocalyptic number.

It is an amenable number.

1166790684 is an abundant number, since it is smaller than the sum of its proper divisors (1699011556).

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

1166790684 is a wasteful number, since it uses less digits than its factorization.

1166790684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117529 (or 5117527 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1166790684 is about 34158.3179328257. The cubic root of 1166790684 is about 1052.7639001008.

The spelling of 1166790684 in words is "one billion, one hundred sixty-six million, seven hundred ninety thousand, six hundred eighty-four".