25163001006 has 192 divisors, whose sum is σ = 65444682240. Its totient is φ = 6377184000.

The previous prime is 25163001001. The next prime is 25163001119. The reversal of 25163001006 is 60010036152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25163001001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4121356 + ... + 4127456.

It is an arithmetic number, because the mean of its divisors is an integer number (340857720).

Almost surely, 2^25163001006 is an apocalyptic number.

25163001006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25163001006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32722341120).

25163001006 is an abundant number, since it is smaller than the sum of its proper divisors (40281681234).

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

25163001006 is a wasteful number, since it uses less digits than its factorization.

25163001006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183 (or 6172 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 25163001006 its reverse (60010036152), we get a palindrome (85173037158).

The spelling of 25163001006 in words is "twenty-five billion, one hundred sixty-three million, one thousand, six".