25770168 has 48 divisors (see below), whose sum is σ = 70764720. Its totient is φ = 8470656.

The previous prime is 25770163. The next prime is 25770169. The reversal of 25770168 is 86107752.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25770163) 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 11 ways as a sum of consecutive naturals, for example, 2805 + ... + 7707.

It is an arithmetic number, because the mean of its divisors is an integer number (1474265).

Almost surely, 2^25770168 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 25770168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35382360).

25770168 is an abundant number, since it is smaller than the sum of its proper divisors (44994552).

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

25770168 is a wasteful number, since it uses less digits than its factorization.

25770168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 25770168 is about 5076.4326056789. The cubic root of 25770168 is about 295.3741035672.

The spelling of 25770168 in words is "twenty-five million, seven hundred seventy thousand, one hundred sixty-eight".