2725447170666 has 32 divisors (see below), whose sum is σ = 6058626994368. Its totient is φ = 810310192640.

The previous prime is 2725447170659. The next prime is 2725447170671. The reversal of 2725447170666 is 6660717445272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389568711 + ... + 389575706.

It is an arithmetic number, because the mean of its divisors is an integer number (189332093574).

Almost surely, 2^{2725447170666} is an apocalyptic number.

2725447170666 is an abundant number, since it is smaller than the sum of its proper divisors (3333179823702).

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

2725447170666 is a wasteful number, since it uses less digits than its factorization.

2725447170666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779144486.

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 2725447170666 in words is "two trillion, seven hundred twenty-five billion, four hundred forty-seven million, one hundred seventy thousand, six hundred sixty-six".