42166313 has 12 divisors (see below), whose sum is σ = 49226112. Its totient is φ = 36013320.

The previous prime is 42166283. The next prime is 42166321. The reversal of 42166313 is 31366124.

It is not a de Polignac number, because 42166313 - 2⁸ = 42166057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42166393) 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, 13856 + ... + 16622.

It is an arithmetic number, because the mean of its divisors is an integer number (4102176).

Almost surely, 2^42166313 is an apocalyptic number.

It is an amenable number.

42166313 is a deficient number, since it is larger than the sum of its proper divisors (7059799).

42166313 is a wasteful number, since it uses less digits than its factorization.

42166313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3085 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 42166313 is about 6493.5593475381. The cubic root of 42166313 is about 348.0608764114.

The spelling of 42166313 in words is "forty-two million, one hundred sixty-six thousand, three hundred thirteen".