1669307144 has 48 divisors (see below), whose sum is σ = 3219450480. Its totient is φ = 811261440.

The previous prime is 1669307141. The next prime is 1669307161. The reversal of 1669307144 is 4417039661.

It is not an unprimeable number, because it can be changed into a prime (1669307141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5043059 + ... + 5043389.

It is an arithmetic number, because the mean of its divisors is an integer number (67071885).

Almost surely, 2^1669307144 is an apocalyptic number.

It is an amenable number.

1669307144 is a deficient number, since it is larger than the sum of its proper divisors (1550143336).

1669307144 is an equidigital number, since it uses as much as digits as its factorization.

1669307144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1669307144 is about 40857.1553586394. The cubic root of 1669307144 is about 1186.2568975427.

The spelling of 1669307144 in words is "one billion, six hundred sixty-nine million, three hundred seven thousand, one hundred forty-four".