1669267472 has 20 divisors (see below), whose sum is σ = 3275147520. Its totient is φ = 824068128.

The previous prime is 1669267441. The next prime is 1669267511. The reversal of 1669267472 is 2747629661.

It is a self number, because there is not a number n which added to its sum of digits gives 1669267472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659048 + ... + 661575.

It is an arithmetic number, because the mean of its divisors is an integer number (163757376).

Almost surely, 2^1669267472 is an apocalyptic number.

It is an amenable number.

1669267472 is a deficient number, since it is larger than the sum of its proper divisors (1605880048).

1669267472 is a wasteful number, since it uses less digits than its factorization.

1669267472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320710 (or 1320704 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 1669267472 is about 40856.6698593999. The cubic root of 1669267472 is about 1186.2475001196.

The spelling of 1669267472 in words is "one billion, six hundred sixty-nine million, two hundred sixty-seven thousand, four hundred seventy-two".