656156656010 has 16 divisors (see below), whose sum is σ = 1182693292776. Its totient is φ = 262104593088.

The previous prime is 656156656009. The next prime is 656156656063. The reversal of 656156656010 is 10656651656.

It can be written as a sum of positive squares in 4 ways, for example, as 639534484681 + 16622171329 = 799709^2 + 128927^2 .

It is an unprimeable number.

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, 44750969 + ... + 44765628.

Almost surely, 2^656156656010 is an apocalyptic number.

656156656010 is a deficient number, since it is larger than the sum of its proper divisors (526536636766).

656156656010 is a wasteful number, since it uses less digits than its factorization.

656156656010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89517337.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 656156656010 in words is "six hundred fifty-six billion, one hundred fifty-six million, six hundred fifty-six thousand, ten".