16111887671 has 8 divisors (see below), whose sum is σ = 17620441488. Its totient is φ = 14610640000.

The previous prime is 16111887667. The next prime is 16111887677. The reversal of 16111887671 is 17678811161.

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

It is not a de Polignac number, because 16111887671 - 2² = 16111887667 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 (16111887677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821920 + ... + 1830741.

It is an arithmetic number, because the mean of its divisors is an integer number (2202555186).

Almost surely, 2^16111887671 is an apocalyptic number.

16111887671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16111887671 is a deficient number, since it is larger than the sum of its proper divisors (1508553817).

16111887671 is a wasteful number, since it uses less digits than its factorization.

16111887671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653073.

The product of its digits is 112896, while the sum is 47.

The spelling of 16111887671 in words is "sixteen billion, one hundred eleven million, eight hundred eighty-seven thousand, six hundred seventy-one".