1669803744 has 48 divisors (see below), whose sum is σ = 5009413248. Its totient is φ = 477086592.

The previous prime is 1669803739. The next prime is 1669803791. The reversal of 1669803744 is 4473089661.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1669803693 and 1669803702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241742 + ... + 1243085.

It is an arithmetic number, because the mean of its divisors is an integer number (104362776).

Almost surely, 2^1669803744 is an apocalyptic number.

1669803744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1669803744 is an abundant number, since it is smaller than the sum of its proper divisors (3339609504).

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

1669803744 is a wasteful number, since it uses less digits than its factorization.

1669803744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484847 (or 2484839 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1669803744 is about 40863.2321775946. The cubic root of 1669803744 is about 1186.3745185511.

The spelling of 1669803744 in words is "one billion, six hundred sixty-nine million, eight hundred three thousand, seven hundred forty-four".