1606423120853 has 2 divisors, whose sum is σ = 1606423120854. Its totient is φ = 1606423120852.

The previous prime is 1606423120829. The next prime is 1606423120859. The reversal of 1606423120853 is 3580213246061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1604840513329 + 1582607524 = 1266823^2 + 39782^2 .

It is an emirp because it is prime and its reverse (3580213246061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606423120853 - 2¹⁶ = 1606423055317 is a prime.

It is a super-2 number, since 2×1606423120853² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1606423120853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606423120859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803211560426 + 803211560427.

It is an arithmetic number, because the mean of its divisors is an integer number (803211560427).

Almost surely, 2^{1606423120853} is an apocalyptic number.

It is an amenable number.

1606423120853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606423120853 is an equidigital number, since it uses as much as digits as its factorization.

1606423120853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1606423120853 in words is "one trillion, six hundred six billion, four hundred twenty-three million, one hundred twenty thousand, eight hundred fifty-three".