16214997 has 8 divisors (see below), whose sum is σ = 21643744. Its totient is φ = 10798128.

The previous prime is 16214971. The next prime is 16215013. The reversal of 16214997 is 79941261.

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

It is not a de Polignac number, because 16214997 - 2¹¹ = 16212949 is a prime.

It is a super-2 number, since 2×16214997² = 525852255420018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16214927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (2705468).

Almost surely, 2^16214997 is an apocalyptic number.

It is an amenable number.

16214997 is a deficient number, since it is larger than the sum of its proper divisors (5428747).

16214997 is a wasteful number, since it uses less digits than its factorization.

16214997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939.

The product of its digits is 27216, while the sum is 39.

The square root of 16214997 is about 4026.7849458346. The cubic root of 16214997 is about 253.1078555070.

The spelling of 16214997 in words is "sixteen million, two hundred fourteen thousand, nine hundred ninety-seven".