16927668947 has 16 divisors (see below), whose sum is σ = 20175869952. Its totient is φ = 13896610560.

The previous prime is 16927668941. The next prime is 16927668971. The reversal of 16927668947 is 74986672961.

It is not a de Polignac number, because 16927668947 - 2⁴ = 16927668931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16927668941) 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 15 ways as a sum of consecutive naturals, for example, 381053 + ... + 423150.

It is an arithmetic number, because the mean of its divisors is an integer number (1260991872).

Almost surely, 2^16927668947 is an apocalyptic number.

16927668947 is a deficient number, since it is larger than the sum of its proper divisors (3248201005).

16927668947 is an equidigital number, since it uses as much as digits as its factorization.

16927668947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804338.

The product of its digits is 54867456, while the sum is 65.

The spelling of 16927668947 in words is "sixteen billion, nine hundred twenty-seven million, six hundred sixty-eight thousand, nine hundred forty-seven".