216701684407 has 8 divisors (see below), whose sum is σ = 233391687984. Its totient is φ = 200014629888.

The previous prime is 216701684393. The next prime is 216701684449. The reversal of 216701684407 is 704486107612.

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

It is a cyclic number.

It is not a de Polignac number, because 216701684407 - 2³¹ = 214554200759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216701684467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583453 + ... + 879670.

It is an arithmetic number, because the mean of its divisors is an integer number (29173960998).

Almost surely, 2^216701684407 is an apocalyptic number.

216701684407 is a deficient number, since it is larger than the sum of its proper divisors (16690003577).

216701684407 is a wasteful number, since it uses less digits than its factorization.

216701684407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474529.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 216701684407 in words is "two hundred sixteen billion, seven hundred one million, six hundred eighty-four thousand, four hundred seven".