16061399009 has 8 divisors (see below), whose sum is σ = 17008179840. Its totient is φ = 15114839616.

The previous prime is 16061398981. The next prime is 16061399021. The reversal of 16061399009 is 90099316061.

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 16061399009 - 2¹² = 16061394913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16061399059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107732 + ... + 209114.

It is an arithmetic number, because the mean of its divisors is an integer number (2126022480).

Almost surely, 2^16061399009 is an apocalyptic number.

It is an amenable number.

16061399009 is a deficient number, since it is larger than the sum of its proper divisors (946780831).

16061399009 is a wasteful number, since it uses less digits than its factorization.

16061399009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110719.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 16061399009 in words is "sixteen billion, sixty-one million, three hundred ninety-nine thousand, nine".