42166005235 has 8 divisors (see below), whose sum is σ = 50636392416. Its totient is φ = 33708013440.

The previous prime is 42166005139. The next prime is 42166005263. The reversal of 42166005235 is 53250066124.

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

It is a de Polignac number, because none of the positive numbers 2^k-42166005235 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 42166005235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091359 + ... + 3104968.

It is an arithmetic number, because the mean of its divisors is an integer number (6329549052).

Almost surely, 2^42166005235 is an apocalyptic number.

42166005235 is a deficient number, since it is larger than the sum of its proper divisors (8470387181).

42166005235 is a wasteful number, since it uses less digits than its factorization.

42166005235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197693.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 42166005235 in words is "forty-two billion, one hundred sixty-six million, five thousand, two hundred thirty-five".