1010977666691 has 2 divisors, whose sum is σ = 1010977666692. Its totient is φ = 1010977666690.

The previous prime is 1010977666681. The next prime is 1010977666697. The reversal of 1010977666691 is 1966667790101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010977666691 - 2⁶ = 1010977666627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010977666691.

It is not a weakly prime, because it can be changed into another prime (1010977666697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505488833345 + 505488833346.

It is an arithmetic number, because the mean of its divisors is an integer number (505488833346).

Almost surely, 2^{1010977666691} is an apocalyptic number.

1010977666691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010977666691 is an equidigital number, since it uses as much as digits as its factorization.

1010977666691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 1010977666691 in words is "one trillion, ten billion, nine hundred seventy-seven million, six hundred sixty-six thousand, six hundred ninety-one".