16863534311 has 8 divisors (see below), whose sum is σ = 18164569920. Its totient is φ = 15563047392.

The previous prime is 16863534301. The next prime is 16863534343. The reversal of 16863534311 is 11343536861.

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 16863534311 - 2²² = 16859340007 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 (16863534301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72191 + ... + 197328.

It is an arithmetic number, because the mean of its divisors is an integer number (2270571240).

Almost surely, 2^16863534311 is an apocalyptic number.

16863534311 is a deficient number, since it is larger than the sum of its proper divisors (1301035609).

16863534311 is a wasteful number, since it uses less digits than its factorization.

16863534311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274345.

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

The spelling of 16863534311 in words is "sixteen billion, eight hundred sixty-three million, five hundred thirty-four thousand, three hundred eleven".