1606025011979 has 2 divisors, whose sum is σ = 1606025011980. Its totient is φ = 1606025011978.

The previous prime is 1606025011973. The next prime is 1606025012057. The reversal of 1606025011979 is 9791105206061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606025011979 - 2¹² = 1606025007883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606025011973) 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, 803012505989 + 803012505990.

It is an arithmetic number, because the mean of its divisors is an integer number (803012505990).

Almost surely, 2^{1606025011979} is an apocalyptic number.

1606025011979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606025011979 is an equidigital number, since it uses as much as digits as its factorization.

1606025011979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 1606025011979 in words is "one trillion, six hundred six billion, twenty-five million, eleven thousand, nine hundred seventy-nine".