25606214160 has 80 divisors (see below), whose sum is σ = 79579507776. Its totient is φ = 6811098624.

The previous prime is 25606214131. The next prime is 25606214171. The reversal of 25606214160 is 6141260652.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39094 + ... + 229653.

Almost surely, 2^25606214160 is an apocalyptic number.

25606214160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25606214160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39789753888).

25606214160 is an abundant number, since it is smaller than the sum of its proper divisors (53973293616).

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

25606214160 is a wasteful number, since it uses less digits than its factorization.

25606214160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269160 (or 269154 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 25606214160 in words is "twenty-five billion, six hundred six million, two hundred fourteen thousand, one hundred sixty".