16043211655 has 16 divisors (see below), whose sum is σ = 20453980320. Its totient is φ = 12057075072.

The previous prime is 16043211649. The next prime is 16043211733. The reversal of 16043211655 is 55611234061.

It is a cyclic number.

It is not a de Polignac number, because 16043211655 - 2²³ = 16034823047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16043211655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489809 + ... + 1500538.

It is an arithmetic number, because the mean of its divisors is an integer number (1278373770).

Almost surely, 2^16043211655 is an apocalyptic number.

16043211655 is a deficient number, since it is larger than the sum of its proper divisors (4410768665).

16043211655 is a wasteful number, since it uses less digits than its factorization.

16043211655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990418.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 16043211655 in words is "sixteen billion, forty-three million, two hundred eleven thousand, six hundred fifty-five".