656335054087 has 8 divisors (see below), whose sum is σ = 671685960704. Its totient is φ = 640988115768.

The previous prime is 656335054057. The next prime is 656335054117. The reversal of 656335054087 is 780450533656.

It is an interprime number because it is at equal distance from previous prime (656335054057) and next prime (656335054117).

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 656335054087 - 2²³ = 656326665479 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 (656335054057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656103 + ... + 1320280.

It is an arithmetic number, because the mean of its divisors is an integer number (83960745088).

Almost surely, 2^656335054087 is an apocalyptic number.

656335054087 is a deficient number, since it is larger than the sum of its proper divisors (15350906617).

656335054087 is a wasteful number, since it uses less digits than its factorization.

656335054087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984149.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 656335054087 in words is "six hundred fifty-six billion, three hundred thirty-five million, fifty-four thousand, eighty-seven".