1166055323 has 4 divisors (see below), whose sum is σ = 1170035328. Its totient is φ = 1162075320.

The previous prime is 1166055263. The next prime is 1166055349. The reversal of 1166055323 is 3235506611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1166055323 - 2²⁰ = 1165006747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166055323.

It is not an unprimeable number, because it can be changed into a prime (1166055523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989563 + ... + 1990148.

It is an arithmetic number, because the mean of its divisors is an integer number (292508832).

Almost surely, 2^1166055323 is an apocalyptic number.

1166055323 is a deficient number, since it is larger than the sum of its proper divisors (3980005).

1166055323 is an equidigital number, since it uses as much as digits as its factorization.

1166055323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980004.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1166055323 is about 34147.5522255988. The cubic root of 1166055323 is about 1052.5426881278.

The spelling of 1166055323 in words is "one billion, one hundred sixty-six million, fifty-five thousand, three hundred twenty-three".