1669384868496 has 40 divisors (see below), whose sum is σ = 4326625099104. Its totient is φ = 554649039360.

The previous prime is 1669384868491. The next prime is 1669384868509. The reversal of 1669384868496 is 6948684839661.

It is not an unprimeable number, because it can be changed into a prime (1669384868491) 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, 56628345 + ... + 56657816.

Almost surely, 2^{1669384868496} is an apocalyptic number.

1669384868496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1669384868496 is an abundant number, since it is smaller than the sum of its proper divisors (2657240230608).

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

1669384868496 is a wasteful number, since it uses less digits than its factorization.

1669384868496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113286479 (or 113286473 counting only the distinct ones).

The product of its digits is 2579890176, while the sum is 78.

The spelling of 1669384868496 in words is "one trillion, six hundred sixty-nine billion, three hundred eighty-four million, eight hundred sixty-eight thousand, four hundred ninety-six".