16666516823482 has 4 divisors (see below), whose sum is σ = 24999775235226. Its totient is φ = 8333258411740.

The previous prime is 16666516823431. The next prime is 16666516823623. The reversal of 16666516823482 is 28432861566661.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8554051422361 + 8112465401121 = 2924731^2 + 2848239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166629205869 + ... + 4166629205872.

Almost surely, 2^{16666516823482} is an apocalyptic number.

16666516823482 is a deficient number, since it is larger than the sum of its proper divisors (8333258411744).

16666516823482 is an equidigital number, since it uses as much as digits as its factorization.

16666516823482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333258411743.

The product of its digits is 119439360, while the sum is 64.

The spelling of 16666516823482 in words is "sixteen trillion, six hundred sixty-six billion, five hundred sixteen million, eight hundred twenty-three thousand, four hundred eighty-two".