1669006549907 has 8 divisors (see below), whose sum is σ = 1735232149392. Its totient is φ = 1603996099200.

The previous prime is 1669006549823. The next prime is 1669006549967. The reversal of 1669006549907 is 7099456009661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1669006549907 - 2³⁶ = 1600287073171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1669006549907.

It is not an unprimeable number, because it can be changed into a prime (1669006549967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303784394 + ... + 303789887.

It is an arithmetic number, because the mean of its divisors is an integer number (216904018674).

Almost surely, 2^{1669006549907} is an apocalyptic number.

1669006549907 is a deficient number, since it is larger than the sum of its proper divisors (66225599485).

1669006549907 is an equidigital number, since it uses as much as digits as its factorization.

1669006549907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607574389.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 1669006549907 in words is "one trillion, six hundred sixty-nine billion, six million, five hundred forty-nine thousand, nine hundred seven".