1671071112 has 96 divisors (see below), whose sum is σ = 4648644000. Its totient is φ = 541981440.

The previous prime is 1671071093. The next prime is 1671071119. The reversal of 1671071112 is 2111701761.

It is a super-2 number, since 2×1671071112² = 5584957322721833088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1671071119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1944939 + ... + 1945797.

It is an arithmetic number, because the mean of its divisors is an integer number (48423375).

Almost surely, 2^1671071112 is an apocalyptic number.

1671071112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671071112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324322000).

1671071112 is an abundant number, since it is smaller than the sum of its proper divisors (2977572888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1671071112 is a wasteful number, since it uses less digits than its factorization.

1671071112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 27.

The square root of 1671071112 is about 40878.7366732388. The cubic root of 1671071112 is about 1186.6745923105.

Adding to 1671071112 its reverse (2111701761), we get a palindrome (3782772873).

The spelling of 1671071112 in words is "one billion, six hundred seventy-one million, seventy-one thousand, one hundred twelve".