1157146166 has 16 divisors (see below), whose sum is σ = 1897482240. Its totient is φ = 524872680.

The previous prime is 1157146163. The next prime is 1157146181. The reversal of 1157146166 is 6616417511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157146163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44366 + ... + 65441.

It is an arithmetic number, because the mean of its divisors is an integer number (118592640).

Almost surely, 2^1157146166 is an apocalyptic number.

1157146166 is a deficient number, since it is larger than the sum of its proper divisors (740336074).

1157146166 is a wasteful number, since it uses less digits than its factorization.

1157146166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110299.

The product of its digits is 30240, while the sum is 38.

The square root of 1157146166 is about 34016.8512064241. The cubic root of 1157146166 is about 1049.8552078500.

The spelling of 1157146166 in words is "one billion, one hundred fifty-seven million, one hundred forty-six thousand, one hundred sixty-six".