16118200671 has 4 divisors (see below), whose sum is σ = 21490934232. Its totient is φ = 10745467112.

The previous prime is 16118200663. The next prime is 16118200697. The reversal of 16118200671 is 17600281161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17600281161 = 3 ⋅5866760387.

It is a cyclic number.

It is not a de Polignac number, because 16118200671 - 2³ = 16118200663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118200601) 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, 2686366776 + ... + 2686366781.

It is an arithmetic number, because the mean of its divisors is an integer number (5372733558).

Almost surely, 2^16118200671 is an apocalyptic number.

16118200671 is a deficient number, since it is larger than the sum of its proper divisors (5372733561).

16118200671 is an equidigital number, since it uses as much as digits as its factorization.

16118200671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372733560.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 16118200671 in words is "sixteen billion, one hundred eighteen million, two hundred thousand, six hundred seventy-one".