42166267 has 8 divisors (see below), whose sum is σ = 49538160. Its totient is φ = 35384160.

The previous prime is 42166259. The next prime is 42166277. The reversal of 42166267 is 76266124.

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 42166267 - 2³ = 42166259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42166207) 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, 147292 + ... + 147577.

It is an arithmetic number, because the mean of its divisors is an integer number (6192270).

Almost surely, 2^42166267 is an apocalyptic number.

42166267 is a deficient number, since it is larger than the sum of its proper divisors (7371893).

42166267 is a wasteful number, since it uses less digits than its factorization.

42166267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294893.

The product of its digits is 24192, while the sum is 34.

The square root of 42166267 is about 6493.5558055660. Note that the first 3 decimals coincide. The cubic root of 42166267 is about 348.0607498427.

The spelling of 42166267 in words is "forty-two million, one hundred sixty-six thousand, two hundred sixty-seven".