16696478 has 8 divisors (see below), whose sum is σ = 26362920. Its totient is φ = 7908840.

The previous prime is 16696453. The next prime is 16696481. The reversal of 16696478 is 87469661.

It is a happy number.

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, 219653 + ... + 219728.

It is an arithmetic number, because the mean of its divisors is an integer number (3295365).

Almost surely, 2^16696478 is an apocalyptic number.

16696478 is a deficient number, since it is larger than the sum of its proper divisors (9666442).

16696478 is a wasteful number, since it uses less digits than its factorization.

16696478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439402.

The product of its digits is 435456, while the sum is 47.

The square root of 16696478 is about 4086.1324011833. The cubic root of 16696478 is about 255.5886847900.

The spelling of 16696478 in words is "sixteen million, six hundred ninety-six thousand, four hundred seventy-eight".