1671141946 has 16 divisors (see below), whose sum is σ = 2541643776. Its totient is φ = 824006736.

The previous prime is 1671141931. The next prime is 1671141947. The reversal of 1671141946 is 6491411761.

It is a junction number, because it is equal to n+sod(n) for n = 1671141899 and 1671141908.

It is not an unprimeable number, because it can be changed into a prime (1671141947) 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, 22720 + ... + 62116.

It is an arithmetic number, because the mean of its divisors is an integer number (158852736).

Almost surely, 2^1671141946 is an apocalyptic number.

1671141946 is a deficient number, since it is larger than the sum of its proper divisors (870501830).

1671141946 is a wasteful number, since it uses less digits than its factorization.

1671141946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39693.

The product of its digits is 36288, while the sum is 40.

The square root of 1671141946 is about 40879.6030558028. The cubic root of 1671141946 is about 1186.6913591455.

The spelling of 1671141946 in words is "one billion, six hundred seventy-one million, one hundred forty-one thousand, nine hundred forty-six".