216700694 has 8 divisors (see below), whose sum is σ = 371486928. Its totient is φ = 92871720.

The previous prime is 216700669. The next prime is 216700697. The reversal of 216700694 is 496007612.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216700697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7739297 + ... + 7739324.

It is an arithmetic number, because the mean of its divisors is an integer number (46435866).

Almost surely, 2^216700694 is an apocalyptic number.

216700694 is a deficient number, since it is larger than the sum of its proper divisors (154786234).

216700694 is a wasteful number, since it uses less digits than its factorization.

216700694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15478630.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 216700694 is about 14720.7572495439. The cubic root of 216700694 is about 600.6480904533.

The spelling of 216700694 in words is "two hundred sixteen million, seven hundred thousand, six hundred ninety-four".