725030535168 has 168 divisors, whose sum is σ = 2148321484400. Its totient is φ = 241667407872.

The previous prime is 725030535161. The next prime is 725030535179. The reversal of 725030535168 is 861535030527.

725030535168 is a `hidden beast` number, since 7 + 2 + 50 + 3 + 0 + 535 + 1 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (725030535161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28298748 + ... + 28324356.

Almost surely, 2^725030535168 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 725030535168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074160742200).

725030535168 is an abundant number, since it is smaller than the sum of its proper divisors (1423290949232).

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

725030535168 is an frugal number, since it uses more digits than its factorization.

725030535168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25658 (or 25614 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 725030535168 in words is "seven hundred twenty-five billion, thirty million, five hundred thirty-five thousand, one hundred sixty-eight".