42166564035 has 16 divisors (see below), whose sum is σ = 67544699904. Its totient is φ = 22462768352.

The previous prime is 42166564001. The next prime is 42166564073. The reversal of 42166564035 is 53046566124.

It is a cyclic number.

It is not a de Polignac number, because 42166564035 - 2²² = 42162369731 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615737 + ... + 1641626.

It is an arithmetic number, because the mean of its divisors is an integer number (4221543744).

Almost surely, 2^42166564035 is an apocalyptic number.

42166564035 is a deficient number, since it is larger than the sum of its proper divisors (25378135869).

42166564035 is a wasteful number, since it uses less digits than its factorization.

42166564035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258234.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 42166564035 in words is "forty-two billion, one hundred sixty-six million, five hundred sixty-four thousand, thirty-five".