13207457461666 has 16 divisors (see below), whose sum is σ = 22262737662144. Its totient is φ = 5830717006224.

The previous prime is 13207457461637. The next prime is 13207457461721. The reversal of 13207457461666 is 66616475470231.

It is a self number, because there is not a number n which added to its sum of digits gives 13207457461666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11043024036 + ... + 11043025231.

It is an arithmetic number, because the mean of its divisors is an integer number (1391421103884).

Almost surely, 2^{13207457461666} is an apocalyptic number.

13207457461666 is a deficient number, since it is larger than the sum of its proper divisors (9055280200478).

13207457461666 is a wasteful number, since it uses less digits than its factorization.

13207457461666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22086049305.

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 13207457461666 in words is "thirteen trillion, two hundred seven billion, four hundred fifty-seven million, four hundred sixty-one thousand, six hundred sixty-six".