66523456332051 has 8 divisors (see below), whose sum is σ = 88698222792960. Its totient is φ = 44348830379592.

The previous prime is 66523456332049. The next prime is 66523456332059. The reversal of 66523456332051 is 15023365432566.

66523456332051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66523456332051 - 2¹ = 66523456332049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66523456331985 and 66523456332003.

It is not an unprimeable number, because it can be changed into a prime (66523456332059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34017391 + ... + 35919768.

It is an arithmetic number, because the mean of its divisors is an integer number (11087277849120).

Almost surely, 2^{66523456332051} is an apocalyptic number.

66523456332051 is a deficient number, since it is larger than the sum of its proper divisors (22174766460909).

66523456332051 is a wasteful number, since it uses less digits than its factorization.

66523456332051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70254225.

The product of its (nonzero) digits is 11664000, while the sum is 51.

The spelling of 66523456332051 in words is "sixty-six trillion, five hundred twenty-three billion, four hundred fifty-six million, three hundred thirty-two thousand, fifty-one".