1659885313948 has 24 divisors (see below), whose sum is σ = 2913072271200. Its totient is φ = 827579240448.

The previous prime is 1659885313927. The next prime is 1659885313963. The reversal of 1659885313948 is 8493135889561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34579308 + ... + 34627276.

It is an arithmetic number, because the mean of its divisors is an integer number (121378011300).

Almost surely, 2^{1659885313948} is an apocalyptic number.

It is an amenable number.

1659885313948 is a deficient number, since it is larger than the sum of its proper divisors (1253186957252).

1659885313948 is a wasteful number, since it uses less digits than its factorization.

1659885313948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72429 (or 72427 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 70.

The spelling of 1659885313948 in words is "one trillion, six hundred fifty-nine billion, eight hundred eighty-five million, three hundred thirteen thousand, nine hundred forty-eight".