174063349681 has 27 divisors (see below), whose sum is σ = 191738249451. Its totient is φ = 157945314384.

The previous prime is 174063349637. The next prime is 174063349687. The reversal of 174063349681 is 186943360471.

The square root of 174063349681 is 417209.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25749016225 + 148314333456 = 160465^2 + 385116^2 .

It is not a de Polignac number, because 174063349681 - 2²¹ = 174061252529 is a prime.

It is a super-2 number, since 2×174063349681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (174063349687) 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 26 ways as a sum of consecutive naturals, for example, 363388800 + ... + 363389278.

Almost surely, 2^174063349681 is an apocalyptic number.

174063349681 is the 417209-th square number.

174063349681 is the 208605-th centered octagonal number.

It is an amenable number.

174063349681 is a deficient number, since it is larger than the sum of its proper divisors (17674899770).

174063349681 is an frugal number, since it uses more digits than its factorization.

174063349681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 174063349681 in words is "one hundred seventy-four billion, sixty-three million, three hundred forty-nine thousand, six hundred eighty-one".