166498533 has 12 divisors (see below), whose sum is σ = 240982560. Its totient is φ = 110775336.

The previous prime is 166498529. The next prime is 166498547. The reversal of 166498533 is 335894661.

166498533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166498533 - 2² = 166498529 is a prime.

It is a super-2 number, since 2×166498533² = 55443522982304178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166498513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13863 + ... + 22916.

It is an arithmetic number, because the mean of its divisors is an integer number (20081880).

Almost surely, 2^166498533 is an apocalyptic number.

It is an amenable number.

166498533 is a deficient number, since it is larger than the sum of its proper divisors (74484027).

166498533 is a wasteful number, since it uses less digits than its factorization.

166498533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37288 (or 37285 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 166498533 is about 12903.4310553434. The cubic root of 166498533 is about 550.1360908411.

The spelling of 166498533 in words is "one hundred sixty-six million, four hundred ninety-eight thousand, five hundred thirty-three".