1605973096559 has 32 divisors (see below), whose sum is σ = 1751595081600. Its totient is φ = 1463649108480.

The previous prime is 1605973096549. The next prime is 1605973096597. The reversal of 1605973096559 is 9556903795061.

It is a de Polignac number, because none of the positive numbers 2^k-1605973096559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1605973096495 and 1605973096504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605973096549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337457822 + ... + 337462580.

It is an arithmetic number, because the mean of its divisors is an integer number (54737346300).

Almost surely, 2^{1605973096559} is an apocalyptic number.

1605973096559 is a deficient number, since it is larger than the sum of its proper divisors (145621985041).

1605973096559 is a wasteful number, since it uses less digits than its factorization.

1605973096559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 68890500, while the sum is 65.

The spelling of 1605973096559 in words is "one trillion, six hundred five billion, nine hundred seventy-three million, ninety-six thousand, five hundred fifty-nine".