216703376006456 has 16 divisors (see below), whose sum is σ = 406488909089400. Its totient is φ = 108306333582624.

The previous prime is 216703376006441. The next prime is 216703376006473. The reversal of 216703376006456 is 654600673307612.

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, 5669282270 + ... + 5669320493.

Almost surely, 2^{216703376006456} is an apocalyptic number.

It is an amenable number.

216703376006456 is a deficient number, since it is larger than the sum of its proper divisors (189785533082944).

216703376006456 is a wasteful number, since it uses less digits than its factorization.

216703376006456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338605158 (or 11338605154 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 56.

The spelling of 216703376006456 in words is "two hundred sixteen trillion, seven hundred three billion, three hundred seventy-six million, six thousand, four hundred fifty-six".