16853367171672 has 64 divisors (see below), whose sum is σ = 46815907413600. Its totient is φ = 5617669224960.

The previous prime is 16853367171671. The next prime is 16853367171673. The reversal of 16853367171672 is 27617176335861.

16853367171672 is a `hidden beast` number, since 1 + 6 + 8 + 533 + 6 + 7 + 17 + 16 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (16853367171671) and next prime (16853367171673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16853367171671) 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, 9620668 + ... + 11236724.

Almost surely, 2^{16853367171672} is an apocalyptic number.

16853367171672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16853367171672 is an abundant number, since it is smaller than the sum of its proper divisors (29962540241928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16853367171672 is a wasteful number, since it uses less digits than its factorization.

16853367171672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664353 (or 1664343 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The spelling of 16853367171672 in words is "sixteen trillion, eight hundred fifty-three billion, three hundred sixty-seven million, one hundred seventy-one thousand, six hundred seventy-two".