173488426656 has 192 divisors, whose sum is σ = 529645132800. Its totient is φ = 49321046016.

The previous prime is 173488426649. The next prime is 173488426663. The reversal of 173488426656 is 656624884371.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (173488426649) and next prime (173488426663).

It is a self number, because there is not a number n which added to its sum of digits gives 173488426656.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 591555 + ... + 834813.

It is an arithmetic number, because the mean of its divisors is an integer number (2758568400).

Almost surely, 2^173488426656 is an apocalyptic number.

173488426656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173488426656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264822566400).

173488426656 is an abundant number, since it is smaller than the sum of its proper divisors (356156706144).

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

173488426656 is a wasteful number, since it uses less digits than its factorization.

173488426656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243331 (or 243323 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 60.

The spelling of 173488426656 in words is "one hundred seventy-three billion, four hundred eighty-eight million, four hundred twenty-six thousand, six hundred fifty-six".