66464244246466 has 8 divisors (see below), whose sum is σ = 108759672403344. Its totient is φ = 30211020112020.

The previous prime is 66464244246451. The next prime is 66464244246487.

It is a happy number.

66464244246466 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66464244246398 and 66464244246407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510551005580 + ... + 1510551005623.

It is an arithmetic number, because the mean of its divisors is an integer number (13594959050418).

Almost surely, 2^{66464244246466} is an apocalyptic number.

66464244246466 is a deficient number, since it is larger than the sum of its proper divisors (42295428156878).

66464244246466 is a wasteful number, since it uses less digits than its factorization.

66464244246466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021102011216.

The product of its digits is 764411904, while the sum is 64.

The spelling of 66464244246466 in words is "sixty-six trillion, four hundred sixty-four billion, two hundred forty-four million, two hundred forty-six thousand, four hundred sixty-six".