16331687475 has 12 divisors (see below), whose sum is σ = 27001723416. Its totient is φ = 8710233280.

The previous prime is 16331687431. The next prime is 16331687501. The reversal of 16331687475 is 57478613361.

It is not a de Polignac number, because 16331687475 - 2¹⁰ = 16331686451 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 108877842 + ... + 108877991.

It is an arithmetic number, because the mean of its divisors is an integer number (2250143618).

Almost surely, 2^16331687475 is an apocalyptic number.

16331687475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16331687475 is a deficient number, since it is larger than the sum of its proper divisors (10670035941).

16331687475 is a wasteful number, since it uses less digits than its factorization.

16331687475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217755846 (or 217755841 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 16331687475 in words is "sixteen billion, three hundred thirty-one million, six hundred eighty-seven thousand, four hundred seventy-five".