1656256045301 has 24 divisors (see below), whose sum is σ = 1957097247840. Its totient is φ = 1389442766400.

The previous prime is 1656256045291. The next prime is 1656256045319. The reversal of 1656256045301 is 1035406526561.

It is a de Polignac number, because none of the positive numbers 2^k-1656256045301 is a prime.

It is a super-2 number, since 2×1656256045301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656256045331) 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 23 ways as a sum of consecutive naturals, for example, 6058595 + ... + 6326063.

It is an arithmetic number, because the mean of its divisors is an integer number (81545718660).

Almost surely, 2^{1656256045301} is an apocalyptic number.

1656256045301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1656256045301 is a deficient number, since it is larger than the sum of its proper divisors (300841202539).

1656256045301 is a wasteful number, since it uses less digits than its factorization.

1656256045301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270837 (or 270824 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1656256045301 in words is "one trillion, six hundred fifty-six billion, two hundred fifty-six million, forty-five thousand, three hundred one".