216305455336042 has 16 divisors (see below), whose sum is σ = 329958102445920. Its totient is φ = 106319428167568.

The previous prime is 216305455336037. The next prime is 216305455336129. The reversal of 216305455336042 is 240633554503612.

It is a super-2 number, since 2×216305455336042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74582853 + ... + 77428759.

It is an arithmetic number, because the mean of its divisors is an integer number (20622381402870).

Almost surely, 2^{216305455336042} is an apocalyptic number.

216305455336042 is a deficient number, since it is larger than the sum of its proper divisors (113652647109878).

216305455336042 is a wasteful number, since it uses less digits than its factorization.

216305455336042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490085.

The product of its (nonzero) digits is 7776000, while the sum is 49.

The spelling of 216305455336042 in words is "two hundred sixteen trillion, three hundred five billion, four hundred fifty-five million, three hundred thirty-six thousand, forty-two".