1606002402757 has 2 divisors, whose sum is σ = 1606002402758. Its totient is φ = 1606002402756.

The previous prime is 1606002402727. The next prime is 1606002402779. The reversal of 1606002402757 is 7572042006061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823893874596 + 782108528161 = 907686^2 + 884369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606002402757 is a prime.

It is a super-2 number, since 2×1606002402757² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606002402727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803001201378 + 803001201379.

It is an arithmetic number, because the mean of its divisors is an integer number (803001201379).

Almost surely, 2^{1606002402757} is an apocalyptic number.

It is an amenable number.

1606002402757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606002402757 is an equidigital number, since it uses as much as digits as its factorization.

1606002402757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 1606002402757 in words is "one trillion, six hundred six billion, two million, four hundred two thousand, seven hundred fifty-seven".