2666061825 has 96 divisors (see below), whose sum is σ = 5281209600. Its totient is φ = 1185408000.

The previous prime is 2666061821. The next prime is 2666061829. The reversal of 2666061825 is 5281606662.

It is an interprime number because it is at equal distance from previous prime (2666061821) and next prime (2666061829).

It is not a de Polignac number, because 2666061825 - 2² = 2666061821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2666061821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 950425 + ... + 953225.

It is an arithmetic number, because the mean of its divisors is an integer number (55012600).

Almost surely, 2^2666061825 is an apocalyptic number.

2666061825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666061825 is a deficient number, since it is larger than the sum of its proper divisors (2615147775).

2666061825 is a wasteful number, since it uses less digits than its factorization.

2666061825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 2666061825 is about 51633.9212630612. The cubic root of 2666061825 is about 1386.6176973264.

The spelling of 2666061825 in words is "two billion, six hundred sixty-six million, sixty-one thousand, eight hundred twenty-five".