1671671746 has 16 divisors (see below), whose sum is σ = 2516976000. Its totient is φ = 832686480.

The previous prime is 1671671731. The next prime is 1671671747. The reversal of 1671671746 is 6471761761.

It is a junction number, because it is equal to n+sod(n) for n = 1671671696 and 1671671705.

It is not an unprimeable number, because it can be changed into a prime (1671671747) by changing a digit.

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, 835255 + ... + 837253.

It is an arithmetic number, because the mean of its divisors is an integer number (157311000).

Almost surely, 2^1671671746 is an apocalyptic number.

1671671746 is a deficient number, since it is larger than the sum of its proper divisors (845304254).

1671671746 is a wasteful number, since it uses less digits than its factorization.

1671671746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its digits is 296352, while the sum is 46.

The square root of 1671671746 is about 40886.0825465096. The cubic root of 1671671746 is about 1186.8167509782.

The spelling of 1671671746 in words is "one billion, six hundred seventy-one million, six hundred seventy-one thousand, seven hundred forty-six".