66436311363466 has 32 divisors (see below), whose sum is σ = 115116817835520. Its totient is φ = 28419997132800.

The previous prime is 66436311363439. The next prime is 66436311363509.

66436311363466 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 66436311363466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653946 + ... + 11545573.

It is an arithmetic number, because the mean of its divisors is an integer number (3597400557360).

Almost surely, 2^{66436311363466} is an apocalyptic number.

66436311363466 is a deficient number, since it is larger than the sum of its proper divisors (48680506472054).

66436311363466 is a wasteful number, since it uses less digits than its factorization.

66436311363466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214110.

The product of its digits is 60466176, while the sum is 58.

The spelling of 66436311363466 in words is "sixty-six trillion, four hundred thirty-six billion, three hundred eleven million, three hundred sixty-three thousand, four hundred sixty-six".