1331766456108 has 72 divisors (see below), whose sum is σ = 3564138273024. Its totient is φ = 386019252960.

The previous prime is 1331766456089. The next prime is 1331766456149. The reversal of 1331766456108 is 8016546671331.

It is a super-2 number, since 2×1331766456108² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19905616 + ... + 19972407.

Almost surely, 2^{1331766456108} is an apocalyptic number.

It is an amenable number.

1331766456108 is an abundant number, since it is smaller than the sum of its proper divisors (2232371816916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331766456108 is a wasteful number, since it uses less digits than its factorization.

1331766456108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39878075 (or 39878062 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 1331766456108 in words is "one trillion, three hundred thirty-one billion, seven hundred sixty-six million, four hundred fifty-six thousand, one hundred eight".