174820989456 has 45 divisors (see below), whose sum is σ = 489270005679. Its totient is φ = 58271990688.

The previous prime is 174820989451. The next prime is 174820989457. The reversal of 174820989456 is 654989028471.

The square root of 174820989456 is 418116.

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

174820989456 is a `hidden beast` number, since 1 + 74 + 8 + 20 + 98 + 9 + 456 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 174820989393 and 174820989402.

It is not an unprimeable number, because it can be changed into a prime (174820989451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4999971 + ... + 5034813.

Almost surely, 2^174820989456 is an apocalyptic number.

174820989456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

174820989456 is the 418116-th square number.

It is an amenable number.

174820989456 is an abundant number, since it is smaller than the sum of its proper divisors (314449016223).

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

174820989456 is an frugal number, since it uses more digits than its factorization.

174820989456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69700 (or 34848 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 174820989456 in words is "one hundred seventy-four billion, eight hundred twenty million, nine hundred eighty-nine thousand, four hundred fifty-six".