216431126116886 has 8 divisors (see below), whose sum is σ = 343743553244520. Its totient is φ = 101849941702048.

The previous prime is 216431126116871. The next prime is 216431126116913. The reversal of 216431126116886 is 688611621134612.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182810678156 + ... + 3182810678223.

It is an arithmetic number, because the mean of its divisors is an integer number (42967944155565).

Almost surely, 2^{216431126116886} is an apocalyptic number.

216431126116886 is a deficient number, since it is larger than the sum of its proper divisors (127312427127634).

216431126116886 is a wasteful number, since it uses less digits than its factorization.

216431126116886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365621356398.

The product of its digits is 3981312, while the sum is 56.

The spelling of 216431126116886 in words is "two hundred sixteen trillion, four hundred thirty-one billion, one hundred twenty-six million, one hundred sixteen thousand, eight hundred eighty-six".