16872885591 has 8 divisors (see below), whose sum is σ = 22552187760. Its totient is φ = 11221086912.

The previous prime is 16872885553. The next prime is 16872885599. The reversal of 16872885591 is 19558827861.

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

It is not a de Polignac number, because 16872885591 - 2⁶ = 16872885527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872885599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6874440 + ... + 6876893.

It is an arithmetic number, because the mean of its divisors is an integer number (2819023470).

Almost surely, 2^16872885591 is an apocalyptic number.

16872885591 is a deficient number, since it is larger than the sum of its proper divisors (5679302169).

16872885591 is a wasteful number, since it uses less digits than its factorization.

16872885591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751745.

The product of its digits is 9676800, while the sum is 60.

The spelling of 16872885591 in words is "sixteen billion, eight hundred seventy-two million, eight hundred eighty-five thousand, five hundred ninety-one".