12196464666 has 32 divisors (see below), whose sum is σ = 25836522048. Its totient is φ = 3825050880.

The previous prime is 12196464661. The next prime is 12196464673. The reversal of 12196464666 is 66646469121.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12196464661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309981 + ... + 347103.

It is an arithmetic number, because the mean of its divisors is an integer number (807391314).

Almost surely, 2^12196464666 is an apocalyptic number.

12196464666 is an abundant number, since it is smaller than the sum of its proper divisors (13640057382).

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

12196464666 is a wasteful number, since it uses less digits than its factorization.

12196464666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40366.

The product of its digits is 2239488, while the sum is 51.

The spelling of 12196464666 in words is "twelve billion, one hundred ninety-six million, four hundred sixty-four thousand, six hundred sixty-six".