652506431063566 has 16 divisors (see below), whose sum is σ = 991724255712000. Its totient is φ = 321936472880568.

The previous prime is 652506431063551. The next prime is 652506431063593. The reversal of 652506431063566 is 665360134605256.

It is a self number, because there is not a number n which added to its sum of digits gives 652506431063566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198157116 + ... + 1198701583.

It is an arithmetic number, because the mean of its divisors is an integer number (61982765982000).

Almost surely, 2^{652506431063566} is an apocalyptic number.

652506431063566 is a deficient number, since it is larger than the sum of its proper divisors (339217824648434).

652506431063566 is a wasteful number, since it uses less digits than its factorization.

652506431063566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396860503.

The product of its (nonzero) digits is 69984000, while the sum is 58.

The spelling of 652506431063566 in words is "six hundred fifty-two trillion, five hundred six billion, four hundred thirty-one million, sixty-three thousand, five hundred sixty-six".