16217079 has 8 divisors (see below), whose sum is σ = 21656832. Its totient is φ = 10794360.

The previous prime is 16217029. The next prime is 16217081. The reversal of 16217079 is 97071261.

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

It is not a de Polignac number, because 16217079 - 2¹² = 16212983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16217009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (2707104).

Almost surely, 2^16217079 is an apocalyptic number.

16217079 is a deficient number, since it is larger than the sum of its proper divisors (5439753).

16217079 is an equidigital number, since it uses as much as digits as its factorization.

16217079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 16217079 is about 4027.0434564330. The cubic root of 16217079 is about 253.1186880304.

The spelling of 16217079 in words is "sixteen million, two hundred seventeen thousand, seventy-nine".