66256255416063 has 8 divisors (see below), whose sum is σ = 88347147075376. Its totient is φ = 44168100350400.

The previous prime is 66256255416061. The next prime is 66256255416089. The reversal of 66256255416063 is 36061455265266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66256255416063 - 2¹ = 66256255416061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66256255415994 and 66256255416012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66256255416061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684091918 + ... + 684188763.

It is an arithmetic number, because the mean of its divisors is an integer number (11043393384422).

Almost surely, 2^{66256255416063} is an apocalyptic number.

66256255416063 is a deficient number, since it is larger than the sum of its proper divisors (22090891659313).

66256255416063 is a wasteful number, since it uses less digits than its factorization.

66256255416063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368296825.

The product of its (nonzero) digits is 46656000, while the sum is 57.

The spelling of 66256255416063 in words is "sixty-six trillion, two hundred fifty-six billion, two hundred fifty-five million, four hundred sixteen thousand, sixty-three".