42165563306 has 16 divisors (see below), whose sum is σ = 66658347360. Its totient is φ = 19948818960.

The previous prime is 42165563273. The next prime is 42165563329. The reversal of 42165563306 is 60336556124.

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, 644576 + ... + 706971.

It is an arithmetic number, because the mean of its divisors is an integer number (4166146710).

Almost surely, 2^42165563306 is an apocalyptic number.

42165563306 is a deficient number, since it is larger than the sum of its proper divisors (24492784054).

42165563306 is a wasteful number, since it uses less digits than its factorization.

42165563306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352389.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 42165563306 in words is "forty-two billion, one hundred sixty-five million, five hundred sixty-three thousand, three hundred six".