1669087067764 has 12 divisors (see below), whose sum is σ = 2921984604000. Its totient is φ = 834234323768.

The previous prime is 1669087067743. The next prime is 1669087067783. The reversal of 1669087067764 is 4677607809661.

It is a self number, because there is not a number n which added to its sum of digits gives 1669087067764.

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 3 ways as a sum of consecutive naturals, for example, 77290384 + ... + 77311975.

It is an arithmetic number, because the mean of its divisors is an integer number (243498717000).

Almost surely, 2^{1669087067764} is an apocalyptic number.

It is an amenable number.

1669087067764 is a deficient number, since it is larger than the sum of its proper divisors (1252897536236).

1669087067764 is a wasteful number, since it uses less digits than its factorization.

1669087067764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154605062 (or 154605060 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 67.

The spelling of 1669087067764 in words is "one trillion, six hundred sixty-nine billion, eighty-seven million, sixty-seven thousand, seven hundred sixty-four".