1673999966872 has 32 divisors (see below), whose sum is σ = 3142356912000. Its totient is φ = 836038368000.

The previous prime is 1673999966833. The next prime is 1673999966897. The reversal of 1673999966872 is 2786699993761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95928004 + ... + 95945452.

It is an arithmetic number, because the mean of its divisors is an integer number (98198653500).

Almost surely, 2^{1673999966872} is an apocalyptic number.

It is an amenable number.

1673999966872 is a deficient number, since it is larger than the sum of its proper divisors (1468356945128).

1673999966872 is a wasteful number, since it uses less digits than its factorization.

1673999966872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30547 (or 30543 counting only the distinct ones).

The product of its digits is 3333197952, while the sum is 82.

The spelling of 1673999966872 in words is "one trillion, six hundred seventy-three billion, nine hundred ninety-nine million, nine hundred sixty-six thousand, eight hundred seventy-two".