16413661969952 has 24 divisors (see below), whose sum is σ = 34800119850636. Its totient is φ = 7575536293632.

The previous prime is 16413661969949. The next prime is 16413661969973. The reversal of 16413661969952 is 25996916631461.

It can be written as a sum of positive squares in 2 ways, for example, as 15585409082896 + 828252887056 = 3947836^2 + 910084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19727958683 + ... + 19727959514.

Almost surely, 2^{16413661969952} is an apocalyptic number.

It is an amenable number.

16413661969952 is an abundant number, since it is smaller than the sum of its proper divisors (18386457880684).

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

16413661969952 is a wasteful number, since it uses less digits than its factorization.

16413661969952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39455918220 (or 39455918212 counting only the distinct ones).

The product of its digits is 113374080, while the sum is 68.

The spelling of 16413661969952 in words is "sixteen trillion, four hundred thirteen billion, six hundred sixty-one million, nine hundred sixty-nine thousand, nine hundred fifty-two".