16216694 has 8 divisors (see below), whose sum is σ = 26196240. Its totient is φ = 7484616.

The previous prime is 16216663. The next prime is 16216703. The reversal of 16216694 is 49661261.

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, 311834 + ... + 311885.

It is an arithmetic number, because the mean of its divisors is an integer number (3274530).

Almost surely, 2^16216694 is an apocalyptic number.

16216694 is a deficient number, since it is larger than the sum of its proper divisors (9979546).

16216694 is a wasteful number, since it uses less digits than its factorization.

16216694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623734.

The product of its digits is 15552, while the sum is 35.

The square root of 16216694 is about 4026.9956543309. The cubic root of 16216694 is about 253.1166849679.

Adding to 16216694 its sum of digits (35), we get a square (16216729 = 4027²).

The spelling of 16216694 in words is "sixteen million, two hundred sixteen thousand, six hundred ninety-four".