1672619716806 has 32 divisors (see below), whose sum is σ = 3527742284160. Its totient is φ = 527230057536.

The previous prime is 1672619716741. The next prime is 1672619716813. The reversal of 1672619716806 is 6086179162761.

It is a self number, because there is not a number n which added to its sum of digits gives 1672619716806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13349071 + ... + 13473786.

It is an arithmetic number, because the mean of its divisors is an integer number (110241946380).

Almost surely, 2^{1672619716806} is an apocalyptic number.

1672619716806 is an abundant number, since it is smaller than the sum of its proper divisors (1855122567354).

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

1672619716806 is a wasteful number, since it uses less digits than its factorization.

1672619716806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26823428.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 1672619716806 in words is "one trillion, six hundred seventy-two billion, six hundred nineteen million, seven hundred sixteen thousand, eight hundred six".