662078644513 has 8 divisors (see below), whose sum is σ = 777826659456. Its totient is φ = 555590470800.

The previous prime is 662078644511. The next prime is 662078644553. The reversal of 662078644513 is 315446870266.

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

It is a cyclic number.

It is not a de Polignac number, because 662078644513 - 2¹ = 662078644511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662078644511) 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, 2314960153 + ... + 2314960438.

It is an arithmetic number, because the mean of its divisors is an integer number (97228332432).

Almost surely, 2^662078644513 is an apocalyptic number.

It is an amenable number.

662078644513 is a deficient number, since it is larger than the sum of its proper divisors (115748014943).

662078644513 is a wasteful number, since it uses less digits than its factorization.

662078644513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629920615.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 662078644513 in words is "six hundred sixty-two billion, seventy-eight million, six hundred forty-four thousand, five hundred thirteen".