646053265055 has 32 divisors (see below), whose sum is σ = 903128832000. Its totient is φ = 439020892800.

The previous prime is 646053265027. The next prime is 646053265103. The reversal of 646053265055 is 550562350646.

It is not a de Polignac number, because 646053265055 - 2⁸ = 646053264799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6483605 + ... + 6582494.

It is an arithmetic number, because the mean of its divisors is an integer number (28222776000).

Almost surely, 2^646053265055 is an apocalyptic number.

646053265055 is a deficient number, since it is larger than the sum of its proper divisors (257075566945).

646053265055 is a wasteful number, since it uses less digits than its factorization.

646053265055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066175.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 646053265055 in words is "six hundred forty-six billion, fifty-three million, two hundred sixty-five thousand, fifty-five".