27173198954496 has 408 divisors, whose sum is σ = 85722195594240. Its totient is φ = 7632022142976.

The previous prime is 27173198954449. The next prime is 27173198954533. The reversal of 27173198954496 is 69445989137172.

It is a super-2 number, since 2×27173198954496² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568369825 + ... + 568417631.

Almost surely, 2^{27173198954496} 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 27173198954496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42861097797120).

27173198954496 is an abundant number, since it is smaller than the sum of its proper divisors (58548996639744).

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

27173198954496 is an frugal number, since it uses more digits than its factorization.

27173198954496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47915 (or 47878 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 75.

The spelling of 27173198954496 in words is "twenty-seven trillion, one hundred seventy-three billion, one hundred ninety-eight million, nine hundred fifty-four thousand, four hundred ninety-six".