1669873772 has 48 divisors (see below), whose sum is σ = 3379102272. Its totient is φ = 707266560.

The previous prime is 1669873753. The next prime is 1669873783. The reversal of 1669873772 is 2773789661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647938 + ... + 1648950.

It is an arithmetic number, because the mean of its divisors is an integer number (70397964).

Almost surely, 2^1669873772 is an apocalyptic number.

It is an amenable number.

1669873772 is an abundant number, since it is smaller than the sum of its proper divisors (1709228500).

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

1669873772 is a wasteful number, since it uses less digits than its factorization.

1669873772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1656 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 56.

The square root of 1669873772 is about 40864.0890269195. The cubic root of 1669873772 is about 1186.3911029898.

The spelling of 1669873772 in words is "one billion, six hundred sixty-nine million, eight hundred seventy-three thousand, seven hundred seventy-two".