66341955453 has 4 divisors (see below), whose sum is σ = 88455940608. Its totient is φ = 44227970300.

The previous prime is 66341955431. The next prime is 66341955479. The reversal of 66341955453 is 35455914366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66341955453 - 2¹³ = 66341947261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66341955396 and 66341955405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66341955553) 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 3 ways as a sum of consecutive naturals, for example, 11056992573 + ... + 11056992578.

It is an arithmetic number, because the mean of its divisors is an integer number (22113985152).

Almost surely, 2^66341955453 is an apocalyptic number.

It is an amenable number.

66341955453 is a deficient number, since it is larger than the sum of its proper divisors (22113985155).

66341955453 is a wasteful number, since it uses less digits than its factorization.

66341955453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22113985154.

The product of its digits is 5832000, while the sum is 51.

The spelling of 66341955453 in words is "sixty-six billion, three hundred forty-one million, nine hundred fifty-five thousand, four hundred fifty-three".