1669119912 has 64 divisors (see below), whose sum is σ = 4715064000. Its totient is φ = 546939072.

The previous prime is 1669119869. The next prime is 1669119919. The reversal of 1669119912 is 2199119661.

It is a super-2 number, since 2×1669119912² = 5571922561269775488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1669119919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52743 + ... + 78230.

It is an arithmetic number, because the mean of its divisors is an integer number (73672875).

Almost surely, 2^1669119912 is an apocalyptic number.

1669119912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1669119912 is an abundant number, since it is smaller than the sum of its proper divisors (3045944088).

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

1669119912 is a wasteful number, since it uses less digits than its factorization.

1669119912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131047 (or 131037 counting only the distinct ones).

The product of its digits is 52488, while the sum is 45.

The square root of 1669119912 is about 40854.8639943887. The cubic root of 1669119912 is about 1186.2125450985.

The spelling of 1669119912 in words is "one billion, six hundred sixty-nine million, one hundred nineteen thousand, nine hundred twelve".