166135532 has 12 divisors (see below), whose sum is σ = 303378096. Its totient is φ = 79456080.

The previous prime is 166135523. The next prime is 166135547. The reversal of 166135532 is 235531661.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902819 + ... + 903002.

It is an arithmetic number, because the mean of its divisors is an integer number (25281508).

Almost surely, 2^166135532 is an apocalyptic number.

It is an amenable number.

166135532 is a deficient number, since it is larger than the sum of its proper divisors (137242564).

166135532 is a wasteful number, since it uses less digits than its factorization.

166135532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805848 (or 1805846 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 166135532 is about 12889.3573152427. The cubic root of 166135532 is about 549.7359967131.

The spelling of 166135532 in words is "one hundred sixty-six million, one hundred thirty-five thousand, five hundred thirty-two".