16069979 has 8 divisors (see below), whose sum is σ = 16302000. Its totient is φ = 15839712.

The previous prime is 16069969. The next prime is 16069987. The reversal of 16069979 is 97996061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16069979 - 2¹² = 16065883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16069919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41117 + ... + 41505.

It is an arithmetic number, because the mean of its divisors is an integer number (2037750).

Almost surely, 2^16069979 is an apocalyptic number.

16069979 is a deficient number, since it is larger than the sum of its proper divisors (232021).

16069979 is a wasteful number, since it uses less digits than its factorization.

16069979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 16069979 is about 4008.7378312880. The cubic root of 16069979 is about 252.3510424239.

The spelling of 16069979 in words is "sixteen million, sixty-nine thousand, nine hundred seventy-nine".