16888042071 has 12 divisors (see below), whose sum is σ = 24401878800. Its totient is φ = 11254983840.

The previous prime is 16888042069. The next prime is 16888042141. The reversal of 16888042071 is 17024088861.

16888042071 is a `hidden beast` number, since 1 + 6 + 88 + 80 + 420 + 71 = 666.

It is not a de Polignac number, because 16888042071 - 2¹ = 16888042069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16888042051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280275 + ... + 335156.

It is an arithmetic number, because the mean of its divisors is an integer number (2033489900).

Almost surely, 2^16888042071 is an apocalyptic number.

16888042071 is a deficient number, since it is larger than the sum of its proper divisors (7513836729).

16888042071 is a wasteful number, since it uses less digits than its factorization.

16888042071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618486 (or 618483 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

Adding to 16888042071 its sum of digits (45), we get a square (16888042116 = 129954²).

The spelling of 16888042071 in words is "sixteen billion, eight hundred eighty-eight million, forty-two thousand, seventy-one".