42166512 has 60 divisors (see below), whose sum is σ = 118452984. Its totient is φ = 14002560.

The previous prime is 42166507. The next prime is 42166513. The reversal of 42166512 is 21566124.

42166512 is a `hidden beast` number, since 4 + 2 + 1 + 6 + 651 + 2 = 666.

It is a super-2 number, since 2×42166512² = 3556029468492288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42166513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63462 + ... + 64122.

Almost surely, 2^42166512 is an apocalyptic number.

It is an amenable number.

42166512 is an abundant number, since it is smaller than the sum of its proper divisors (76286472).

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

42166512 is a wasteful number, since it uses less digits than its factorization.

42166512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1109 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42166512 is about 6493.5746703953. The cubic root of 42166512 is about 348.0614239575.

The spelling of 42166512 in words is "forty-two million, one hundred sixty-six thousand, five hundred twelve".