16885327947 has 16 divisors (see below), whose sum is σ = 23204404608. Its totient is φ = 10914937920.

The previous prime is 16885327931. The next prime is 16885327967. The reversal of 16885327947 is 74972358861.

It is not a de Polignac number, because 16885327947 - 2⁴ = 16885327931 is a prime.

It is a super-2 number, since 2×16885327947² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16885327967) 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 15 ways as a sum of consecutive naturals, for example, 401053 + ... + 441150.

It is an arithmetic number, because the mean of its divisors is an integer number (1450275288).

Almost surely, 2^16885327947 is an apocalyptic number.

16885327947 is a deficient number, since it is larger than the sum of its proper divisors (6319076661).

16885327947 is a wasteful number, since it uses less digits than its factorization.

16885327947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842410.

The product of its digits is 20321280, while the sum is 60.

The spelling of 16885327947 in words is "sixteen billion, eight hundred eighty-five million, three hundred twenty-seven thousand, nine hundred forty-seven".