12932191466 has 8 divisors (see below), whose sum is σ = 19415472420. Its totient is φ = 6460367328.

The previous prime is 12932191463. The next prime is 12932191501. The reversal of 12932191466 is 66419123921.

It can be written as a sum of positive squares in 2 ways, for example, as 10904580625 + 2027610841 = 104425^2 + 45029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12932191466² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12932191463) 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, 2861381 + ... + 2865896.

Almost surely, 2^12932191466 is an apocalyptic number.

12932191466 is a deficient number, since it is larger than the sum of its proper divisors (6483280954).

12932191466 is a wasteful number, since it uses less digits than its factorization.

12932191466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728408.

The product of its digits is 139968, while the sum is 44.

The spelling of 12932191466 in words is "twelve billion, nine hundred thirty-two million, one hundred ninety-one thousand, four hundred sixty-six".