16111642063 has 4 divisors (see below), whose sum is σ = 17576336808. Its totient is φ = 14646947320.

The previous prime is 16111642049. The next prime is 16111642073. The reversal of 16111642063 is 36024611161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16111642063 - 2⁵ = 16111642031 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 (16111642003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732347356 + ... + 732347377.

It is an arithmetic number, because the mean of its divisors is an integer number (4394084202).

Almost surely, 2^16111642063 is an apocalyptic number.

16111642063 is a deficient number, since it is larger than the sum of its proper divisors (1464694745).

16111642063 is a wasteful number, since it uses less digits than its factorization.

16111642063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464694744.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 16111642063 in words is "sixteen billion, one hundred eleven million, six hundred forty-two thousand, sixty-three".