542571166 has 16 divisors (see below), whose sum is σ = 825837264. Its totient is φ = 267309504.

The previous prime is 542571109. The next prime is 542571187. The reversal of 542571166 is 661175245.

It is a happy number.

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, 61786 + ... + 70018.

It is an arithmetic number, because the mean of its divisors is an integer number (51614829).

Almost surely, 2^542571166 is an apocalyptic number.

542571166 is a deficient number, since it is larger than the sum of its proper divisors (283266098).

542571166 is a wasteful number, since it uses less digits than its factorization.

542571166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715.

The product of its digits is 50400, while the sum is 37.

The square root of 542571166 is about 23293.1570638246. The cubic root of 542571166 is about 815.6156869231.

The spelling of 542571166 in words is "five hundred forty-two million, five hundred seventy-one thousand, one hundred sixty-six".