27373489164 has 288 divisors, whose sum is σ = 88344345600. Its totient is φ = 7286267520.

The previous prime is 27373489163. The next prime is 27373489201. The reversal of 27373489164 is 46198437372.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 27373489164.

It is not an unprimeable number, because it can be changed into a prime (27373489163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6131197 + ... + 6135659.

It is an arithmetic number, because the mean of its divisors is an integer number (306751200).

Almost surely, 2^27373489164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27373489164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44172172800).

27373489164 is an abundant number, since it is smaller than the sum of its proper divisors (60970856436).

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

27373489164 is a wasteful number, since it uses less digits than its factorization.

27373489164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570 (or 4555 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 27373489164 in words is "twenty-seven billion, three hundred seventy-three million, four hundred eighty-nine thousand, one hundred sixty-four".