42165554366 has 8 divisors (see below), whose sum is σ = 68113587864. Its totient is φ = 19461025080.

The previous prime is 42165554351. The next prime is 42165554369. The reversal of 42165554366 is 66345556124.

42165554366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42165554366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42165554369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810876020 + ... + 810876071.

It is an arithmetic number, because the mean of its divisors is an integer number (8514198483).

Almost surely, 2^42165554366 is an apocalyptic number.

42165554366 is a deficient number, since it is larger than the sum of its proper divisors (25948033498).

42165554366 is a wasteful number, since it uses less digits than its factorization.

42165554366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621752106.

The product of its digits is 2592000, while the sum is 47.

The spelling of 42165554366 in words is "forty-two billion, one hundred sixty-five million, five hundred fifty-four thousand, three hundred sixty-six".