16984740033666 has 24 divisors (see below), whose sum is σ = 36800960617980. Its totient is φ = 5661473773536.

The previous prime is 16984740033647. The next prime is 16984740033671. The reversal of 16984740033666 is 66633004748961.

It can be written as a sum of positive squares in 2 ways, for example, as 15863532239025 + 1121207794641 = 3982905^2 + 1058871^2 .

It is a super-2 number, since 2×16984740033666² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7864261 + ... + 9788568.

Almost surely, 2^{16984740033666} is an apocalyptic number.

16984740033666 is an abundant number, since it is smaller than the sum of its proper divisors (19816220584314).

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

16984740033666 is a wasteful number, since it uses less digits than its factorization.

16984740033666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17706290 (or 17706287 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 16984740033666 in words is "sixteen trillion, nine hundred eighty-four billion, seven hundred forty million, thirty-three thousand, six hundred sixty-six".