656356623545112 has 32 divisors (see below), whose sum is σ = 1875304638700800. Its totient is φ = 187530463869984.

The previous prime is 656356623545081. The next prime is 656356623545159. The reversal of 656356623545112 is 211545326653656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953442331812 + ... + 1953442332147.

It is an arithmetic number, because the mean of its divisors is an integer number (58603269959400).

Almost surely, 2^{656356623545112} is an apocalyptic number.

It is an amenable number.

656356623545112 is an abundant number, since it is smaller than the sum of its proper divisors (1218948015155688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656356623545112 is a wasteful number, since it uses less digits than its factorization.

656356623545112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906884663975 (or 3906884663971 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 60.

The spelling of 656356623545112 in words is "six hundred fifty-six trillion, three hundred fifty-six billion, six hundred twenty-three million, five hundred forty-five thousand, one hundred twelve".