1166925273 has 4 divisors (see below), whose sum is σ = 1555900368. Its totient is φ = 777950180.

The previous prime is 1166925251. The next prime is 1166925283. The reversal of 1166925273 is 3725296611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1166925273 - 2⁵ = 1166925241 is a prime.

It is a super-2 number, since 2×1166925273² = 2723429185532249058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166925233) 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, 194487543 + ... + 194487548.

It is an arithmetic number, because the mean of its divisors is an integer number (388975092).

Almost surely, 2^1166925273 is an apocalyptic number.

It is an amenable number.

1166925273 is a deficient number, since it is larger than the sum of its proper divisors (388975095).

1166925273 is an equidigital number, since it uses as much as digits as its factorization.

1166925273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388975094.

The product of its digits is 136080, while the sum is 42.

The square root of 1166925273 is about 34160.2879525334. The cubic root of 1166925273 is about 1052.8043772246.

The spelling of 1166925273 in words is "one billion, one hundred sixty-six million, nine hundred twenty-five thousand, two hundred seventy-three".