66464366346466 has 16 divisors (see below), whose sum is σ = 113488562299968. Its totient is φ = 28897550585200.

The previous prime is 66464366346461. The next prime is 66464366346473.

66464366346466 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66464366346395 and 66464366346404.

It is not an unprimeable number, because it can be changed into a prime (66464366346461) 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, 65676250825 + ... + 65676251836.

It is an arithmetic number, because the mean of its divisors is an integer number (7093035143748).

Almost surely, 2^{66464366346466} is an apocalyptic number.

66464366346466 is a deficient number, since it is larger than the sum of its proper divisors (47024195953502).

66464366346466 is a wasteful number, since it uses less digits than its factorization.

66464366346466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131352502697.

The product of its digits is 3869835264, while the sum is 70.

The spelling of 66464366346466 in words is "sixty-six trillion, four hundred sixty-four billion, three hundred sixty-six million, three hundred forty-six thousand, four hundred sixty-six".