1671170212 has 12 divisors (see below), whose sum is σ = 2925133596. Its totient is φ = 835417760.

The previous prime is 1671170203. The next prime is 1671170297. The reversal of 1671170212 is 2120711761.

It can be written as a sum of positive squares in 2 ways, for example, as 1543389796 + 127780416 = 39286^2 + 11304^2 .

It is a super-2 number, since 2×1671170212² = 5585619754952249888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17839 + ... + 60502.

It is an arithmetic number, because the mean of its divisors is an integer number (243761133).

Almost surely, 2^1671170212 is an apocalyptic number.

It is an amenable number.

1671170212 is a deficient number, since it is larger than the sum of its proper divisors (1253963384).

1671170212 is a wasteful number, since it uses less digits than its factorization.

1671170212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83678 (or 83676 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 1671170212 is about 40879.9487768759. The cubic root of 1671170212 is about 1186.6980497458.

Adding to 1671170212 its reverse (2120711761), we get a palindrome (3791881973).

The spelling of 1671170212 in words is "one billion, six hundred seventy-one million, one hundred seventy thousand, two hundred twelve".