1669414760 has 32 divisors (see below), whose sum is σ = 4045121640. Its totient is φ = 616399104.

The previous prime is 1669414711. The next prime is 1669414787. The reversal of 1669414760 is 674149661.

It can be written as a sum of positive squares in 4 ways, for example, as 1299314116 + 370100644 = 36046^2 + 19238^2 .

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, 1604687 + ... + 1605726.

Almost surely, 2^1669414760 is an apocalyptic number.

1669414760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1669414760 is an abundant number, since it is smaller than the sum of its proper divisors (2375706880).

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

1669414760 is a wasteful number, since it uses less digits than its factorization.

1669414760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210437 (or 3210433 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1669414760 is about 40858.4723160326. The cubic root of 1669414760 is about 1186.2823886533.

The spelling of 1669414760 in words is "one billion, six hundred sixty-nine million, four hundred fourteen thousand, seven hundred sixty".