1166789669 has 8 divisors (see below), whose sum is σ = 1170263808. Its totient is φ = 1163322160.

The previous prime is 1166789651. The next prime is 1166789707. The reversal of 1166789669 is 9669876611.

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

It is a cyclic number.

It is not a de Polignac number, because 1166789669 - 2²⁸ = 898354213 is a prime.

It is a super-2 number, since 2×1166789669² = 2722796263370259122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166789629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725264 + ... + 726870.

It is an arithmetic number, because the mean of its divisors is an integer number (146282976).

Almost surely, 2^1166789669 is an apocalyptic number.

It is an amenable number.

1166789669 is a deficient number, since it is larger than the sum of its proper divisors (3474139).

1166789669 is an equidigital number, since it uses as much as digits as its factorization.

1166789669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315.

The product of its digits is 5878656, while the sum is 59.

The square root of 1166789669 is about 34158.3030755335. The cubic root of 1166789669 is about 1052.7635948316.

The spelling of 1166789669 in words is "one billion, one hundred sixty-six million, seven hundred eighty-nine thousand, six hundred sixty-nine".