1684166674643 has 8 divisors (see below), whose sum is σ = 1772851616400. Its totient is φ = 1595486191968.

The previous prime is 1684166674633. The next prime is 1684166674661. The reversal of 1684166674643 is 3464766614861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1684166674643 - 2⁸ = 1684166674387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1684166674633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325148 + ... + 1863881.

It is an arithmetic number, because the mean of its divisors is an integer number (221606452050).

Almost surely, 2^{1684166674643} is an apocalyptic number.

1684166674643 is a deficient number, since it is larger than the sum of its proper divisors (88684941757).

1684166674643 is a wasteful number, since it uses less digits than its factorization.

1684166674643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229541.

The product of its digits is 83607552, while the sum is 62.

The spelling of 1684166674643 in words is "one trillion, six hundred eighty-four billion, one hundred sixty-six million, six hundred seventy-four thousand, six hundred forty-three".