1671067005 has 64 divisors (see below), whose sum is σ = 2874009600. Its totient is φ = 826640640.

The previous prime is 1671066979. The next prime is 1671067007. The reversal of 1671067005 is 5007601761.

It is not a de Polignac number, because 1671067005 - 2⁵ = 1671066973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671067007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5443062 + ... + 5443368.

It is an arithmetic number, because the mean of its divisors is an integer number (44906400).

Almost surely, 2^1671067005 is an apocalyptic number.

1671067005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1671067005 is a deficient number, since it is larger than the sum of its proper divisors (1202942595).

1671067005 is a wasteful number, since it uses less digits than its factorization.

1671067005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 1671067005 is about 40878.6864392681. The cubic root of 1671067005 is about 1186.6736201443.

Adding to 1671067005 its reverse (5007601761), we get a palindrome (6678668766).

The spelling of 1671067005 in words is "one billion, six hundred seventy-one million, sixty-seven thousand, five".