16664287111 has 8 divisors (see below), whose sum is σ = 17646176160. Its totient is φ = 15682579968.

The previous prime is 16664287103. The next prime is 16664287127. The reversal of 16664287111 is 11178246661.

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

It is not a de Polignac number, because 16664287111 - 2³ = 16664287103 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 (16664287141) 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, 173230 + ... + 251668.

It is an arithmetic number, because the mean of its divisors is an integer number (2205772020).

Almost surely, 2^16664287111 is an apocalyptic number.

16664287111 is a deficient number, since it is larger than the sum of its proper divisors (981889049).

16664287111 is a wasteful number, since it uses less digits than its factorization.

16664287111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90953.

The product of its digits is 96768, while the sum is 43.

The spelling of 16664287111 in words is "sixteen billion, six hundred sixty-four million, two hundred eighty-seven thousand, one hundred eleven".