127525404168 has 24 divisors (see below), whose sum is σ = 345381303150. Its totient is φ = 42508468032.

The previous prime is 127525404119. The next prime is 127525404283. The reversal of 127525404168 is 861404525721.

127525404168 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 2 + 540 + 41 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103052556324 + 24472847844 = 321018^2 + 156438^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 885593013 + ... + 885593156.

Almost surely, 2^127525404168 is an apocalyptic number.

127525404168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

127525404168 is an abundant number, since it is smaller than the sum of its proper divisors (217855898982).

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

127525404168 is a wasteful number, since it uses less digits than its factorization.

127525404168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771186181 (or 1771186174 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

Adding to 127525404168 its reverse (861404525721), we get a palindrome (988929929889).

The spelling of 127525404168 in words is "one hundred twenty-seven billion, five hundred twenty-five million, four hundred four thousand, one hundred sixty-eight".