27321167556671 has 8 divisors (see below), whose sum is σ = 27529886623584. Its totient is φ = 27113032320480.

The previous prime is 27321167556619. The next prime is 27321167556689. The reversal of 27321167556671 is 17665576112372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27321167556671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27321167556671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27321167556071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145863731 + ... + 146050916.

It is an arithmetic number, because the mean of its divisors is an integer number (3441235827948).

Almost surely, 2^{27321167556671} is an apocalyptic number.

27321167556671 is a deficient number, since it is larger than the sum of its proper divisors (208719066913).

27321167556671 is a wasteful number, since it uses less digits than its factorization.

27321167556671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291915361.

The product of its digits is 22226400, while the sum is 59.

The spelling of 27321167556671 in words is "twenty-seven trillion, three hundred twenty-one billion, one hundred sixty-seven million, five hundred fifty-six thousand, six hundred seventy-one".