13145181462666 has 24 divisors (see below), whose sum is σ = 31070428912224. Its totient is φ = 3983388321960.

The previous prime is 13145181462649. The next prime is 13145181462703. The reversal of 13145181462666 is 66626418154131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33194902486 + ... + 33194902881.

It is an arithmetic number, because the mean of its divisors is an integer number (1294601204676).

Almost surely, 2^{13145181462666} is an apocalyptic number.

13145181462666 is an abundant number, since it is smaller than the sum of its proper divisors (17925247449558).

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

13145181462666 is a wasteful number, since it uses less digits than its factorization.

13145181462666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66389805386 (or 66389805383 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 13145181462666 in words is "thirteen trillion, one hundred forty-five billion, one hundred eighty-one million, four hundred sixty-two thousand, six hundred sixty-six".