132166405 has 16 divisors (see below), whose sum is σ = 186157440. Its totient is φ = 88178112.

The previous prime is 132166399. The next prime is 132166409. The reversal of 132166405 is 504661231.

It is a cyclic number.

It is not a de Polignac number, because 132166405 - 2⁵ = 132166373 is a prime.

It is a super-2 number, since 2×132166405² = 34935917221248050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132166409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49735 + ... + 52324.

It is an arithmetic number, because the mean of its divisors is an integer number (11634840).

Almost surely, 2^132166405 is an apocalyptic number.

It is an amenable number.

132166405 is a deficient number, since it is larger than the sum of its proper divisors (53991035).

132166405 is a wasteful number, since it uses less digits than its factorization.

132166405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102108.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 132166405 is about 11496.3648602504. The cubic root of 132166405 is about 509.3782054323.

The spelling of 132166405 in words is "one hundred thirty-two million, one hundred sixty-six thousand, four hundred five".