42166307 has 8 divisors (see below), whose sum is σ = 44923536. Its totient is φ = 39439872.

The previous prime is 42166283. The next prime is 42166321. The reversal of 42166307 is 70366124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42166307 - 2¹⁶ = 42100771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42166307.

It is not an unprimeable number, because it can be changed into a prime (42166367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (5615442).

Almost surely, 2^42166307 is an apocalyptic number.

42166307 is a deficient number, since it is larger than the sum of its proper divisors (2757229).

42166307 is a wasteful number, since it uses less digits than its factorization.

42166307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15397.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42166307 is about 6493.5588855419. The cubic root of 42166307 is about 348.0608599024.

The spelling of 42166307 in words is "forty-two million, one hundred sixty-six thousand, three hundred seven".