1166853073 has 4 divisors (see below), whose sum is σ = 1169406820. Its totient is φ = 1164299328.

The previous prime is 1166853011. The next prime is 1166853109. The reversal of 1166853073 is 3703586611.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 887027089 + 279825984 = 29783^2 + 16728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166853073 - 2²⁹ = 629982161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166853473) 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, 1276188 + ... + 1277101.

It is an arithmetic number, because the mean of its divisors is an integer number (292351705).

Almost surely, 2^1166853073 is an apocalyptic number.

It is an amenable number.

1166853073 is a deficient number, since it is larger than the sum of its proper divisors (2553747).

1166853073 is an equidigital number, since it uses as much as digits as its factorization.

1166853073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553746.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1166853073 is about 34159.2311535257. The cubic root of 1166853073 is about 1052.7826637394.

The spelling of 1166853073 in words is "one billion, one hundred sixty-six million, eight hundred fifty-three thousand, seventy-three".