13481481346666 has 16 divisors (see below), whose sum is σ = 20342920104864. Its totient is φ = 6700522563504.

The previous prime is 13481481346649. The next prime is 13481481346667. The reversal of 13481481346666 is 66664318418431.

It is not an unprimeable number, because it can be changed into a prime (13481481346667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793460 + ... + 5493583.

It is an arithmetic number, because the mean of its divisors is an integer number (1271432506554).

Almost surely, 2^{13481481346666} is an apocalyptic number.

13481481346666 is a deficient number, since it is larger than the sum of its proper divisors (6861438758198).

13481481346666 is a wasteful number, since it uses less digits than its factorization.

13481481346666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292565.

The product of its digits is 47775744, while the sum is 61.

The spelling of 13481481346666 in words is "thirteen trillion, four hundred eighty-one billion, four hundred eighty-one million, three hundred forty-six thousand, six hundred sixty-six".