1606915731011 has 2 divisors, whose sum is σ = 1606915731012. Its totient is φ = 1606915731010.

The previous prime is 1606915731007. The next prime is 1606915731023. The reversal of 1606915731011 is 1101375196061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606915731011 - 2² = 1606915731007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606915731011.

It is not a weakly prime, because it can be changed into another prime (1606915736011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803457865505 + 803457865506.

It is an arithmetic number, because the mean of its divisors is an integer number (803457865506).

Almost surely, 2^{1606915731011} is an apocalyptic number.

1606915731011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606915731011 is an equidigital number, since it uses as much as digits as its factorization.

1606915731011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 41.

The spelling of 1606915731011 in words is "one trillion, six hundred six billion, nine hundred fifteen million, seven hundred thirty-one thousand, eleven".