1671382946 has 16 divisors (see below), whose sum is σ = 2536176960. Its totient is φ = 826018800.

The previous prime is 1671382903. The next prime is 1671382967. The reversal of 1671382946 is 6492831761.

It is a self number, because there is not a number n which added to its sum of digits gives 1671382946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118355 + ... + 131721.

It is an arithmetic number, because the mean of its divisors is an integer number (158511060).

Almost surely, 2^1671382946 is an apocalyptic number.

1671382946 is a deficient number, since it is larger than the sum of its proper divisors (864794014).

1671382946 is a wasteful number, since it uses less digits than its factorization.

1671382946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14089.

The product of its digits is 435456, while the sum is 47.

The square root of 1671382946 is about 40882.5506298225. The cubic root of 1671382946 is about 1186.7484017507.

The spelling of 1671382946 in words is "one billion, six hundred seventy-one million, three hundred eighty-two thousand, nine hundred forty-six".