1671716683388 has 6 divisors (see below), whose sum is σ = 2925504195936. Its totient is φ = 835858341692.

The previous prime is 1671716683387. The next prime is 1671716683397. The reversal of 1671716683388 is 8833866171761.

It is a super-3 number, since 3×1671716683388³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671716683387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208964585420 + ... + 208964585427.

It is an arithmetic number, because the mean of its divisors is an integer number (487584032656).

Almost surely, 2^{1671716683388} is an apocalyptic number.

It is an amenable number.

1671716683388 is a deficient number, since it is larger than the sum of its proper divisors (1253787512548).

1671716683388 is a wasteful number, since it uses less digits than its factorization.

1671716683388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417929170851 (or 417929170849 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 65.

The spelling of 1671716683388 in words is "one trillion, six hundred seventy-one billion, seven hundred sixteen million, six hundred eighty-three thousand, three hundred eighty-eight".