42166524 has 12 divisors (see below), whose sum is σ = 98388584. Its totient is φ = 14055504.

The previous prime is 42166519. The next prime is 42166543. The reversal of 42166524 is 42566124.

42166524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42166491 and 42166500.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1756927 + ... + 1756950.

Almost surely, 2^42166524 is an apocalyptic number.

It is an amenable number.

42166524 is an abundant number, since it is smaller than the sum of its proper divisors (56222060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42166524 is a wasteful number, since it uses less digits than its factorization.

42166524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513884 (or 3513882 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 42166524 is about 6493.5755943856. The cubic root of 42166524 is about 348.0614569753.

The spelling of 42166524 in words is "forty-two million, one hundred sixty-six thousand, five hundred twenty-four".