166127533 has 16 divisors (see below), whose sum is σ = 199717056. Its totient is φ = 136160640.

The previous prime is 166127513. The next prime is 166127537. The reversal of 166127533 is 335721661.

It is not a de Polignac number, because 166127533 - 2⁵ = 166127501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166127537) 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, 7360 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (12482316).

Almost surely, 2^166127533 is an apocalyptic number.

166127533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166127533 is a deficient number, since it is larger than the sum of its proper divisors (33589523).

166127533 is a wasteful number, since it uses less digits than its factorization.

166127533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27084.

The product of its digits is 22680, while the sum is 34.

The square root of 166127533 is about 12889.0470167503. The cubic root of 166127533 is about 549.7271737785.

The spelling of 166127533 in words is "one hundred sixty-six million, one hundred twenty-seven thousand, five hundred thirty-three".