16541599007 has 16 divisors (see below), whose sum is σ = 17231940000. Its totient is φ = 15867608064.

The previous prime is 16541598877. The next prime is 16541599013. The reversal of 16541599007 is 70099514561.

It is a cyclic number.

It is not a de Polignac number, because 16541599007 - 2¹⁶ = 16541533471 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 (16541593007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555719 + ... + 584727.

It is an arithmetic number, because the mean of its divisors is an integer number (1076996250).

Almost surely, 2^16541599007 is an apocalyptic number.

16541599007 is a deficient number, since it is larger than the sum of its proper divisors (690340993).

16541599007 is a wasteful number, since it uses less digits than its factorization.

16541599007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29290.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 16541599007 in words is "sixteen billion, five hundred forty-one million, five hundred ninety-nine thousand, seven".