165429166 has 32 divisors (see below), whose sum is σ = 294497280. Its totient is φ = 68191200.

The previous prime is 165429163. The next prime is 165429197. The reversal of 165429166 is 661924561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165429163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133771 + ... + 135001.

It is an arithmetic number, because the mean of its divisors is an integer number (9203040).

Almost surely, 2^165429166 is an apocalyptic number.

165429166 is a deficient number, since it is larger than the sum of its proper divisors (129068114).

165429166 is a wasteful number, since it uses less digits than its factorization.

165429166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its digits is 77760, while the sum is 40.

The square root of 165429166 is about 12861.9269940394. The cubic root of 165429166 is about 548.9557773853.

The spelling of 165429166 in words is "one hundred sixty-five million, four hundred twenty-nine thousand, one hundred sixty-six".