1669083125 has 10 divisors (see below), whose sum is σ = 2085687054. Its totient is φ = 1335266000.

The previous prime is 1669083109. The next prime is 1669083131. The reversal of 1669083125 is 5213809661.

It can be written as a sum of positive squares in 5 ways, for example, as 166900561 + 1502182564 = 12919^2 + 38758^2 .

It is not a de Polignac number, because 1669083125 - 2⁴ = 1669083109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1334642 + ... + 1335891.

Almost surely, 2^1669083125 is an apocalyptic number.

It is an amenable number.

1669083125 is a deficient number, since it is larger than the sum of its proper divisors (416603929).

1669083125 is an frugal number, since it uses more digits than its factorization.

1669083125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670553 (or 2670538 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1669083125 is about 40854.4137762372. The cubic root of 1669083125 is about 1186.2038304218.

The spelling of 1669083125 in words is "one billion, six hundred sixty-nine million, eighty-three thousand, one hundred twenty-five".