25551163368 has 64 divisors (see below), whose sum is σ = 74711016000. Its totient is φ = 8068787136.

The previous prime is 25551163327. The next prime is 25551163369. The reversal of 25551163368 is 86336115552.

25551163368 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 1 + 1 + 633 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (25551163369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3108855 + ... + 3117062.

It is an arithmetic number, because the mean of its divisors is an integer number (1167359625).

Almost surely, 2^25551163368 is an apocalyptic number.

It is an amenable number.

25551163368 is an abundant number, since it is smaller than the sum of its proper divisors (49159852632).

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

25551163368 is a wasteful number, since it uses less digits than its factorization.

25551163368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225951 (or 6225941 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 25551163368 in words is "twenty-five billion, five hundred fifty-one million, one hundred sixty-three thousand, three hundred sixty-eight".