216430113446 has 8 divisors (see below), whose sum is σ = 324653420520. Its totient is φ = 108212306608.

The previous prime is 216430113433. The next prime is 216430113461. The reversal of 216430113446 is 644311034612.

216430113446 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 Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275236 + ... + 1434951.

It is an arithmetic number, because the mean of its divisors is an integer number (40581677565).

Almost surely, 2^216430113446 is an apocalyptic number.

216430113446 is a deficient number, since it is larger than the sum of its proper divisors (108223307074).

216430113446 is a wasteful number, since it uses less digits than its factorization.

216430113446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750118.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 216430113446 in words is "two hundred sixteen billion, four hundred thirty million, one hundred thirteen thousand, four hundred forty-six".