1671320001 has 32 divisors (see below), whose sum is σ = 2562481152. Its totient is φ = 960886080.

The previous prime is 1671319981. The next prime is 1671320041. The reversal of 1671320001 is 1000231761.

It is not a de Polignac number, because 1671320001 - 2¹⁹ = 1670795713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1671320001.

It is not an unprimeable number, because it can be changed into a prime (1671320041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16906 + ... + 60236.

It is an arithmetic number, because the mean of its divisors is an integer number (80077536).

Almost surely, 2^1671320001 is an apocalyptic number.

It is an amenable number.

1671320001 is a deficient number, since it is larger than the sum of its proper divisors (891161151).

1671320001 is a wasteful number, since it uses less digits than its factorization.

1671320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43413.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1671320001 is about 40881.7807953616. The cubic root of 1671320001 is about 1186.7335037454.

Adding to 1671320001 its reverse (1000231761), we get a palindrome (2671551762).

The spelling of 1671320001 in words is "one billion, six hundred seventy-one million, three hundred twenty thousand, one".