66293733199 has 8 divisors (see below), whose sum is σ = 66639892592. Its totient is φ = 65947875840.

The previous prime is 66293733197. The next prime is 66293733211. The reversal of 66293733199 is 99133739266.

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 66293733199 - 2¹ = 66293733197 is a prime.

It is a super-2 number, since 2×66293733199² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66293733197) 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, 371497 + ... + 520189.

It is an arithmetic number, because the mean of its divisors is an integer number (8329986574).

Almost surely, 2^66293733199 is an apocalyptic number.

66293733199 is a deficient number, since it is larger than the sum of its proper divisors (346159393).

66293733199 is a wasteful number, since it uses less digits than its factorization.

66293733199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151017.

The product of its digits is 9920232, while the sum is 58.

The spelling of 66293733199 in words is "sixty-six billion, two hundred ninety-three million, seven hundred thirty-three thousand, one hundred ninety-nine".