216885876342 has 32 divisors (see below), whose sum is σ = 459410476032. Its totient is φ = 68024444544.

The previous prime is 216885876323. The next prime is 216885876373. The reversal of 216885876342 is 243678588612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102003 + ... + 666465.

It is an arithmetic number, because the mean of its divisors is an integer number (14356577376).

Almost surely, 2^216885876342 is an apocalyptic number.

216885876342 is an abundant number, since it is smaller than the sum of its proper divisors (242524599690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216885876342 is a wasteful number, since it uses less digits than its factorization.

216885876342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568252.

The product of its digits is 30965760, while the sum is 60.

The spelling of 216885876342 in words is "two hundred sixteen billion, eight hundred eighty-five million, eight hundred seventy-six thousand, three hundred forty-two".