1608801697037 has 2 divisors, whose sum is σ = 1608801697038. Its totient is φ = 1608801697036.

The previous prime is 1608801696959. The next prime is 1608801697043. The reversal of 1608801697037 is 7307961088061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1518541108681 + 90260588356 = 1232291^2 + 300434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608801697037 - 2⁸ = 1608801696781 is a prime.

It is a super-2 number, since 2×1608801697037² (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 (1608801690037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804400848518 + 804400848519.

It is an arithmetic number, because the mean of its divisors is an integer number (804400848519).

Almost surely, 2^{1608801697037} is an apocalyptic number.

It is an amenable number.

1608801697037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608801697037 is an equidigital number, since it uses as much as digits as its factorization.

1608801697037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 1608801697037 in words is "one trillion, six hundred eight billion, eight hundred one million, six hundred ninety-seven thousand, thirty-seven".