662556336425023 has 4 divisors (see below), whose sum is σ = 662984068083400. Its totient is φ = 662128604766648.

The previous prime is 662556336425021. The next prime is 662556336425041. The reversal of 662556336425023 is 320524633655266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662556336425023 - 2¹ = 662556336425021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662556336425021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213865826865 + ... + 213865829962.

It is an arithmetic number, because the mean of its divisors is an integer number (165746017020850).

Almost surely, 2^{662556336425023} is an apocalyptic number.

662556336425023 is a deficient number, since it is larger than the sum of its proper divisors (427731658377).

662556336425023 is a wasteful number, since it uses less digits than its factorization.

662556336425023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427731658376.

The product of its (nonzero) digits is 139968000, while the sum is 58.

The spelling of 662556336425023 in words is "six hundred sixty-two trillion, five hundred fifty-six billion, three hundred thirty-six million, four hundred twenty-five thousand, twenty-three".