66556122453183 has 8 divisors (see below), whose sum is σ = 96808905386496. Its totient is φ = 40337043911000.

The previous prime is 66556122453103. The next prime is 66556122453241. The reversal of 66556122453183 is 38135422165566.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66556122453183 - 2⁸ = 66556122452927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66556122453103) 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, 1008426097743 + ... + 1008426097808.

It is an arithmetic number, because the mean of its divisors is an integer number (12101113173312).

Almost surely, 2^{66556122453183} is an apocalyptic number.

66556122453183 is a deficient number, since it is larger than the sum of its proper divisors (30252782933313).

66556122453183 is a wasteful number, since it uses less digits than its factorization.

66556122453183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016852195565.

The product of its digits is 31104000, while the sum is 57.

The spelling of 66556122453183 in words is "sixty-six trillion, five hundred fifty-six billion, one hundred twenty-two million, four hundred fifty-three thousand, one hundred eighty-three".