1659581960938 has 32 divisors (see below), whose sum is σ = 2780603640000. Its totient is φ = 736520252160.

The previous prime is 1659581960929. The next prime is 1659581960999. The reversal of 1659581960938 is 8390691859561.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4815313 + ... + 5148436.

It is an arithmetic number, because the mean of its divisors is an integer number (86893863750).

Almost surely, 2^{1659581960938} is an apocalyptic number.

1659581960938 is a deficient number, since it is larger than the sum of its proper divisors (1121021679062).

1659581960938 is a wasteful number, since it uses less digits than its factorization.

1659581960938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963942.

The product of its (nonzero) digits is 125971200, while the sum is 70.

The spelling of 1659581960938 in words is "one trillion, six hundred fifty-nine billion, five hundred eighty-one million, nine hundred sixty thousand, nine hundred thirty-eight".