1057155166 has 16 divisors (see below), whose sum is σ = 1681952256. Its totient is φ = 496613376.

The previous prime is 1057155163. The next prime is 1057155191. The reversal of 1057155166 is 6615517501.

It is a super-2 number, since 2×1057155166² = 2235154090000975112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057155163) 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, 7326 + ... + 46561.

It is an arithmetic number, because the mean of its divisors is an integer number (105122016).

Almost surely, 2^1057155166 is an apocalyptic number.

1057155166 is a deficient number, since it is larger than the sum of its proper divisors (624797090).

1057155166 is a wasteful number, since it uses less digits than its factorization.

1057155166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54483.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1057155166 is about 32513.9226486132. The cubic root of 1057155166 is about 1018.6998576397.

The spelling of 1057155166 in words is "one billion, fifty-seven million, one hundred fifty-five thousand, one hundred sixty-six".