66467131803 has 6 divisors (see below), whose sum is σ = 96008079284. Its totient is φ = 44311421196.

The previous prime is 66467131789. The next prime is 66467131859. The reversal of 66467131803 is 30813176466.

66467131803 is a `hidden beast` number, since 6 + 6 + 467 + 1 + 3 + 180 + 3 = 666.

It is not a de Polignac number, because 66467131803 - 2²⁶ = 66400022939 is a prime.

It is a super-2 number, since 2×66467131803² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66467131883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3692618425 + ... + 3692618442.

Almost surely, 2^66467131803 is an apocalyptic number.

66467131803 is a deficient number, since it is larger than the sum of its proper divisors (29540947481).

66467131803 is a wasteful number, since it uses less digits than its factorization.

66467131803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385236873 (or 7385236870 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 66467131803 in words is "sixty-six billion, four hundred sixty-seven million, one hundred thirty-one thousand, eight hundred three".