655174474752 has 352 divisors, whose sum is σ = 2041681075200. Its totient is φ = 186714931200.

The previous prime is 655174474739. The next prime is 655174474753. The reversal of 655174474752 is 257474471556.

Its product of digits (32928000) is a multiple of the sum of its prime divisors (1600).

It is a junction number, because it is equal to n+sod(n) for n = 655174474692 and 655174474701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655174474753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738640453 + ... + 738641339.

Almost surely, 2^655174474752 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 655174474752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020840537600).

655174474752 is an abundant number, since it is smaller than the sum of its proper divisors (1386506600448).

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

655174474752 is an equidigital number, since it uses as much as digits as its factorization.

655174474752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1600 counting only the distinct ones).

The product of its digits is 32928000, while the sum is 57.

The spelling of 655174474752 in words is "six hundred fifty-five billion, one hundred seventy-four million, four hundred seventy-four thousand, seven hundred fifty-two".