662020464020266 has 8 divisors (see below), whose sum is σ = 1069417672648164. Its totient is φ = 305547906470880.

The previous prime is 662020464020159. The next prime is 662020464020273.

662020464020266 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 526795451600625 + 135225012419641 = 22952025^2 + 11628629^2 .

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

It is a super-3 number, since 3×662020464020266³ (a number of 45 digits) contains 333 as substring.

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, 12731162769595 + ... + 12731162769646.

Almost surely, 2^{662020464020266} is an apocalyptic number.

662020464020266 is a deficient number, since it is larger than the sum of its proper divisors (407397208627898).

662020464020266 is a wasteful number, since it uses less digits than its factorization.

662020464020266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25462325539256.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 662020464020266 in words is "six hundred sixty-two trillion, twenty billion, four hundred sixty-four million, twenty thousand, two hundred sixty-six".