25666466301 has 16 divisors (see below), whose sum is σ = 43456451200. Its totient is φ = 14666552064.

The previous prime is 25666466257. The next prime is 25666466333. The reversal of 25666466301 is 10366466652.

It is not a de Polignac number, because 25666466301 - 2⁷ = 25666466173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25666465301) 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, 67900516 + ... + 67900893.

It is an arithmetic number, because the mean of its divisors is an integer number (2716028200).

Almost surely, 2^25666466301 is an apocalyptic number.

25666466301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25666466301 is a deficient number, since it is larger than the sum of its proper divisors (17789984899).

25666466301 is a wasteful number, since it uses less digits than its factorization.

25666466301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135801425 (or 135801419 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 25666466301 in words is "twenty-five billion, six hundred sixty-six million, four hundred sixty-six thousand, three hundred one".