656532254134 has 16 divisors (see below), whose sum is σ = 1022434794000. Its totient is φ = 315802386144.

The previous prime is 656532254129. The next prime is 656532254143. The reversal of 656532254134 is 431452235656.

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, 20416284 + ... + 20448415.

It is an arithmetic number, because the mean of its divisors is an integer number (63902174625).

Almost surely, 2^656532254134 is an apocalyptic number.

656532254134 is a deficient number, since it is larger than the sum of its proper divisors (365902539866).

656532254134 is a wasteful number, since it uses less digits than its factorization.

656532254134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40865007.

The product of its digits is 2592000, while the sum is 46.

The spelling of 656532254134 in words is "six hundred fifty-six billion, five hundred thirty-two million, two hundred fifty-four thousand, one hundred thirty-four".