1665316351004 has 6 divisors (see below), whose sum is σ = 2914303614264. Its totient is φ = 832658175500.

The previous prime is 1665316350941. The next prime is 1665316351063. The reversal of 1665316351004 is 4001536135661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208164543872 + ... + 208164543879.

It is an arithmetic number, because the mean of its divisors is an integer number (485717269044).

Almost surely, 2^{1665316351004} is an apocalyptic number.

It is an amenable number.

1665316351004 is a deficient number, since it is larger than the sum of its proper divisors (1248987263260).

1665316351004 is a wasteful number, since it uses less digits than its factorization.

1665316351004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416329087755 (or 416329087753 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 1665316351004 in words is "one trillion, six hundred sixty-five billion, three hundred sixteen million, three hundred fifty-one thousand, four".