16117966 has 8 divisors (see below), whose sum is σ = 25449480. Its totient is φ = 7634808.

The previous prime is 16117957. The next prime is 16117967. The reversal of 16117966 is 66971161.

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 (16117967) 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, 212041 + ... + 212116.

It is an arithmetic number, because the mean of its divisors is an integer number (3181185).

Almost surely, 2^16117966 is an apocalyptic number.

16117966 is a deficient number, since it is larger than the sum of its proper divisors (9331514).

16117966 is a wasteful number, since it uses less digits than its factorization.

16117966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424178.

The product of its digits is 13608, while the sum is 37.

The square root of 16117966 is about 4014.7186700938. The cubic root of 16117966 is about 252.6019769119.

The spelling of 16117966 in words is "sixteen million, one hundred seventeen thousand, nine hundred sixty-six".