662145506342005 has 16 divisors (see below), whose sum is σ = 908128506945024. Its totient is φ = 454021012368000.

The previous prime is 662145506341993. The next prime is 662145506342093. The reversal of 662145506342005 is 500243605541266.

It is not a de Polignac number, because 662145506342005 - 2⁷ = 662145506341877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662145506342005.

It is a congruent number.

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, 449682637 + ... + 451152706.

It is an arithmetic number, because the mean of its divisors is an integer number (56758031684064).

Almost surely, 2^{662145506342005} is an apocalyptic number.

It is an amenable number.

662145506342005 is a deficient number, since it is larger than the sum of its proper divisors (245983000603019).

662145506342005 is a wasteful number, since it uses less digits than its factorization.

662145506342005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900856356.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 662145506342005 in words is "six hundred sixty-two trillion, one hundred forty-five billion, five hundred six million, three hundred forty-two thousand, five".