1022091866686 has 16 divisors (see below), whose sum is σ = 1672679092608. Its totient is φ = 464541343000.

The previous prime is 1022091866657. The next prime is 1022091866729. The reversal of 1022091866686 is 6866681902201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065060 + ... + 2511703.

It is an arithmetic number, because the mean of its divisors is an integer number (104542443288).

Almost surely, 2^{1022091866686} is an apocalyptic number.

1022091866686 is a deficient number, since it is larger than the sum of its proper divisors (650587225922).

1022091866686 is a wasteful number, since it uses less digits than its factorization.

1022091866686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586927.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 1022091866686 in words is "one trillion, twenty-two billion, ninety-one million, eight hundred sixty-six thousand, six hundred eighty-six".