2586665042666 has 32 divisors (see below), whose sum is σ = 3996142940160. Its totient is φ = 1254817440000.

The previous prime is 2586665042653. The next prime is 2586665042803. The reversal of 2586665042666 is 6662405666852.

It is a junction number, because it is equal to n+sod(n) for n = 2586665042599 and 2586665042608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99661991 + ... + 99687941.

It is an arithmetic number, because the mean of its divisors is an integer number (124879466880).

Almost surely, 2^{2586665042666} is an apocalyptic number.

2586665042666 is a deficient number, since it is larger than the sum of its proper divisors (1409477897494).

2586665042666 is a wasteful number, since it uses less digits than its factorization.

2586665042666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29750.

The product of its (nonzero) digits is 149299200, while the sum is 62.

The spelling of 2586665042666 in words is "two trillion, five hundred eighty-six billion, six hundred sixty-five million, forty-two thousand, six hundred sixty-six".