1166151722 has 4 divisors (see below), whose sum is σ = 1749227586. Its totient is φ = 583075860.

The previous prime is 1166151691. The next prime is 1166151761. The reversal of 1166151722 is 2271516611.

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

It can be written as a sum of positive squares in only one way, i.e., 1159334401 + 6817321 = 34049^2 + 2611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291537929 + ... + 291537932.

Almost surely, 2^1166151722 is an apocalyptic number.

1166151722 is a deficient number, since it is larger than the sum of its proper divisors (583075864).

1166151722 is an equidigital number, since it uses as much as digits as its factorization.

1166151722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583075863.

The product of its digits is 5040, while the sum is 32.

The square root of 1166151722 is about 34148.9637031638. The cubic root of 1166151722 is about 1052.5716922595.

The spelling of 1166151722 in words is "one billion, one hundred sixty-six million, one hundred fifty-one thousand, seven hundred twenty-two".