66270505433163 has 32 divisors (see below), whose sum is σ = 93428168311296. Its totient is φ = 41700956656128.

The previous prime is 66270505433161. The next prime is 66270505433183. The reversal of 66270505433163 is 36133450507266.

It is not a de Polignac number, because 66270505433163 - 2¹ = 66270505433161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66270505433161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16951420 + ... + 20491257.

It is an arithmetic number, because the mean of its divisors is an integer number (2919630259728).

Almost surely, 2^{66270505433163} is an apocalyptic number.

66270505433163 is a deficient number, since it is larger than the sum of its proper divisors (27157662878133).

66270505433163 is a wasteful number, since it uses less digits than its factorization.

66270505433163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37443043.

The product of its (nonzero) digits is 8164800, while the sum is 51.

The spelling of 66270505433163 in words is "sixty-six trillion, two hundred seventy billion, five hundred five million, four hundred thirty-three thousand, one hundred sixty-three".