12162170660 has 12 divisors (see below), whose sum is σ = 25540558428. Its totient is φ = 4864868256.

The previous prime is 12162170639. The next prime is 12162170663. The reversal of 12162170660 is 6607126121.

It can be written as a sum of positive squares in 2 ways, for example, as 8834496064 + 3327674596 = 93992^2 + 57686^2 .

It is not an unprimeable number, because it can be changed into a prime (12162170663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304054247 + ... + 304054286.

It is an arithmetic number, because the mean of its divisors is an integer number (2128379869).

Almost surely, 2^12162170660 is an apocalyptic number.

12162170660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12162170660 is an abundant number, since it is smaller than the sum of its proper divisors (13378387768).

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

12162170660 is a wasteful number, since it uses less digits than its factorization.

12162170660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608108542 (or 608108540 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

Adding to 12162170660 its reverse (6607126121), we get a palindrome (18769296781).

The spelling of 12162170660 in words is "twelve billion, one hundred sixty-two million, one hundred seventy thousand, six hundred sixty".