8171654376672 has 72 divisors (see below), whose sum is σ = 23451336188280. Its totient is φ = 2698895013120.

The previous prime is 8171654376671. The next prime is 8171654376701. The reversal of 8171654376672 is 2766734561718.

8171654376672 is a `hidden beast` number, since 8 + 1 + 7 + 16 + 543 + 7 + 6 + 6 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8171654376671) 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 11 ways as a sum of consecutive naturals, for example, 130123654 + ... + 130186437.

It is an arithmetic number, because the mean of its divisors is an integer number (325713002615).

Almost surely, 2^{8171654376672} is an apocalyptic number.

It is an amenable number.

8171654376672 is an abundant number, since it is smaller than the sum of its proper divisors (15279681811608).

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

8171654376672 is a wasteful number, since it uses less digits than its factorization.

8171654376672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260310216 (or 260310205 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 8171654376672 in words is "eight trillion, one hundred seventy-one billion, six hundred fifty-four million, three hundred seventy-six thousand, six hundred seventy-two".