1001616120691 has 2 divisors, whose sum is σ = 1001616120692. Its totient is φ = 1001616120690.

The previous prime is 1001616120679. The next prime is 1001616120737. The reversal of 1001616120691 is 1960216161001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001616120691 - 2³⁹ = 451860306803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001616120611) by changing a digit.

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 as a sum of consecutive naturals, namely, 500808060345 + 500808060346.

It is an arithmetic number, because the mean of its divisors is an integer number (500808060346).

Almost surely, 2^{1001616120691} is an apocalyptic number.

1001616120691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001616120691 is an equidigital number, since it uses as much as digits as its factorization.

1001616120691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 1001616120691 in words is "one trillion, one billion, six hundred sixteen million, one hundred twenty thousand, six hundred ninety-one".