216376694 has 8 divisors (see below), whose sum is σ = 327437640. Its totient is φ = 107230816.

The previous prime is 216376681. The next prime is 216376717. The reversal of 216376694 is 496673612.

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, 478484 + ... + 478935.

It is an arithmetic number, because the mean of its divisors is an integer number (40929705).

Almost surely, 2^216376694 is an apocalyptic number.

216376694 is a deficient number, since it is larger than the sum of its proper divisors (111060946).

216376694 is a wasteful number, since it uses less digits than its factorization.

216376694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957534.

The product of its digits is 326592, while the sum is 44.

The square root of 216376694 is about 14709.7482643314. The cubic root of 216376694 is about 600.3485881787.

The spelling of 216376694 in words is "two hundred sixteen million, three hundred seventy-six thousand, six hundred ninety-four".