1147273166 has 16 divisors (see below), whose sum is σ = 1933866144. Its totient is φ = 506488224.

The previous prime is 1147273159. The next prime is 1147273199. The reversal of 1147273166 is 6613727411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958661 + ... + 959856.

It is an arithmetic number, because the mean of its divisors is an integer number (120866634).

Almost surely, 2^1147273166 is an apocalyptic number.

1147273166 is a deficient number, since it is larger than the sum of its proper divisors (786592978).

1147273166 is a wasteful number, since it uses less digits than its factorization.

1147273166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918555.

The product of its digits is 42336, while the sum is 38.

The square root of 1147273166 is about 33871.4210803149. The cubic root of 1147273166 is about 1046.8608179512.

The spelling of 1147273166 in words is "one billion, one hundred forty-seven million, two hundred seventy-three thousand, one hundred sixty-six".