16012040653409 has 8 divisors (see below), whose sum is σ = 16708813323840. Its totient is φ = 15315317732176.

The previous prime is 16012040653379. The next prime is 16012040653447. The reversal of 16012040653409 is 90435604021061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16012040653409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16012040653009) 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, 11778842 + ... + 13067715.

It is an arithmetic number, because the mean of its divisors is an integer number (2088601665480).

Almost surely, 2^{16012040653409} is an apocalyptic number.

It is an amenable number.

16012040653409 is a deficient number, since it is larger than the sum of its proper divisors (696772670431).

16012040653409 is a wasteful number, since it uses less digits than its factorization.

16012040653409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24874599.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 16012040653409 in words is "sixteen trillion, twelve billion, forty million, six hundred fifty-three thousand, four hundred nine".