1671790946 has 16 divisors (see below), whose sum is σ = 2866824576. Its totient is φ = 716257536.

The previous prime is 1671790919. The next prime is 1671790957. The reversal of 1671790946 is 6490971761.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1671790894 and 1671790903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32450 + ... + 66306.

It is an arithmetic number, because the mean of its divisors is an integer number (179176536).

Almost surely, 2^1671790946 is an apocalyptic number.

1671790946 is a deficient number, since it is larger than the sum of its proper divisors (1195033630).

1671790946 is a wasteful number, since it uses less digits than its factorization.

1671790946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37393.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 1671790946 is about 40887.5402292679. The cubic root of 1671790946 is about 1186.8449593061.

The spelling of 1671790946 in words is "one billion, six hundred seventy-one million, seven hundred ninety thousand, nine hundred forty-six".