16001679 has 8 divisors (see below), whose sum is σ = 21354112. Its totient is φ = 10658520.

The previous prime is 16001663. The next prime is 16001681. The reversal of 16001679 is 97610061.

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

It is not a de Polignac number, because 16001679 - 2⁴ = 16001663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16001659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142 + ... + 7644.

It is an arithmetic number, because the mean of its divisors is an integer number (2669264).

Almost surely, 2^16001679 is an apocalyptic number.

16001679 is a deficient number, since it is larger than the sum of its proper divisors (5352433).

16001679 is a wasteful number, since it uses less digits than its factorization.

16001679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 16001679 is about 4000.2098694943. The cubic root of 16001679 is about 251.9930238684.

The spelling of 16001679 in words is "sixteen million, one thousand, six hundred seventy-nine".