14666698871 has 4 divisors (see below), whose sum is σ = 16000035144. Its totient is φ = 13333362600.

The previous prime is 14666698867. The next prime is 14666698897. The reversal of 14666698871 is 17889666641.

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 14666698871 - 2² = 14666698867 is a prime.

It is a super-2 number, since 2×14666698871² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666698271) 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, 666668120 + ... + 666668141.

It is an arithmetic number, because the mean of its divisors is an integer number (4000008786).

Almost surely, 2^14666698871 is an apocalyptic number.

14666698871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14666698871 is a deficient number, since it is larger than the sum of its proper divisors (1333336273).

14666698871 is a wasteful number, since it uses less digits than its factorization.

14666698871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333336272.

The product of its digits is 20901888, while the sum is 62.

The spelling of 14666698871 in words is "fourteen billion, six hundred sixty-six million, six hundred ninety-eight thousand, eight hundred seventy-one".