42166053 has 12 divisors (see below), whose sum is σ = 61164480. Its totient is φ = 27991656.

The previous prime is 42166049. The next prime is 42166057. The reversal of 42166053 is 35066124.

42166053 is a `hidden beast` number, since 42 + 16 + 605 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (42166049) and next prime (42166057).

It is not a de Polignac number, because 42166053 - 2² = 42166049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42166057) 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, 7651 + ... + 11952.

It is an arithmetic number, because the mean of its divisors is an integer number (5097040).

Almost surely, 2^42166053 is an apocalyptic number.

It is an amenable number.

42166053 is a deficient number, since it is larger than the sum of its proper divisors (18998427).

42166053 is a wasteful number, since it uses less digits than its factorization.

42166053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19848 (or 19845 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42166053 is about 6493.5393276702. The cubic root of 42166053 is about 348.0601610219.

The spelling of 42166053 in words is "forty-two million, one hundred sixty-six thousand, fifty-three".