16668271334 has 32 divisors (see below), whose sum is σ = 29384280576. Its totient is φ = 6991103520.

The previous prime is 16668271313. The next prime is 16668271339. The reversal of 16668271334 is 43317286661.

It is a super-2 number, since 2×16668271334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668271339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902339 + ... + 920625.

It is an arithmetic number, because the mean of its divisors is an integer number (918258768).

Almost surely, 2^16668271334 is an apocalyptic number.

16668271334 is a deficient number, since it is larger than the sum of its proper divisors (12716009242).

16668271334 is a wasteful number, since it uses less digits than its factorization.

16668271334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21500.

The product of its digits is 870912, while the sum is 47.

The spelling of 16668271334 in words is "sixteen billion, six hundred sixty-eight million, two hundred seventy-one thousand, three hundred thirty-four".