1166164154 has 4 divisors (see below), whose sum is σ = 1749246234. Its totient is φ = 583082076.

The previous prime is 1166164117. The next prime is 1166164157. The reversal of 1166164154 is 4514616611.

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., 1128624025 + 37540129 = 33595^2 + 6127^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1166164157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291541037 + ... + 291541040.

Almost surely, 2^1166164154 is an apocalyptic number.

1166164154 is a deficient number, since it is larger than the sum of its proper divisors (583082080).

1166164154 is an equidigital number, since it uses as much as digits as its factorization.

1166164154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583082079.

The product of its digits is 17280, while the sum is 35.

The square root of 1166164154 is about 34149.1457287002. The cubic root of 1166164154 is about 1052.5754326318.

The spelling of 1166164154 in words is "one billion, one hundred sixty-six million, one hundred sixty-four thousand, one hundred fifty-four".