1659320960468 has 24 divisors (see below), whose sum is σ = 2944015436712. Its totient is φ = 818176978944.

The previous prime is 1659320960461. The next prime is 1659320960551. The reversal of 1659320960468 is 8640690239561.

It can be written as a sum of positive squares in 4 ways, for example, as 43096929604 + 1616224030864 = 207598^2 + 1271308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1659320960461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630046 + ... + 2444522.

It is an arithmetic number, because the mean of its divisors is an integer number (122667309863).

Almost surely, 2^{1659320960468} is an apocalyptic number.

It is an amenable number.

1659320960468 is a deficient number, since it is larger than the sum of its proper divisors (1284694476244).

1659320960468 is a wasteful number, since it uses less digits than its factorization.

1659320960468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821531 (or 821529 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 1659320960468 in words is "one trillion, six hundred fifty-nine billion, three hundred twenty million, nine hundred sixty thousand, four hundred sixty-eight".