12662006456 has 16 divisors (see below), whose sum is σ = 25899558840. Its totient is φ = 5755457440.

The previous prime is 12662006407. The next prime is 12662006479. The reversal of 12662006456 is 65460026621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71943131 + ... + 71943306.

Almost surely, 2^12662006456 is an apocalyptic number.

It is an amenable number.

12662006456 is an abundant number, since it is smaller than the sum of its proper divisors (13237552384).

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

12662006456 is a wasteful number, since it uses less digits than its factorization.

12662006456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143886454 (or 143886450 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12662006456 in words is "twelve billion, six hundred sixty-two million, six thousand, four hundred fifty-six".