1725474168256 has 28 divisors (see below), whose sum is σ = 3457888684920. Its totient is φ = 854195129600.

The previous prime is 1725474168217. The next prime is 1725474168287. The reversal of 1725474168256 is 6528614745271.

It is a happy number.

It is a super-2 number, since 2×1725474168256² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1725474168256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133461526 + ... + 133474453.

Almost surely, 2^{1725474168256} is an apocalyptic number.

1725474168256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1725474168256 is an abundant number, since it is smaller than the sum of its proper divisors (1732414516664).

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

1725474168256 is a wasteful number, since it uses less digits than its factorization.

1725474168256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266936092 (or 266936082 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

The spelling of 1725474168256 in words is "one trillion, seven hundred twenty-five billion, four hundred seventy-four million, one hundred sixty-eight thousand, two hundred fifty-six".