66214267135 has 16 divisors (see below), whose sum is σ = 81048281184. Its totient is φ = 51912911232.

The previous prime is 66214267127. The next prime is 66214267183. The reversal of 66214267135 is 53176241266.

It is a cyclic number.

It is not a de Polignac number, because 66214267135 - 2³ = 66214267127 is a prime.

It is a super-2 number, since 2×66214267135² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66214267091 and 66214267100.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 92509 + ... + 375481.

It is an arithmetic number, because the mean of its divisors is an integer number (5065517574).

Almost surely, 2^66214267135 is an apocalyptic number.

66214267135 is a deficient number, since it is larger than the sum of its proper divisors (14834014049).

66214267135 is a wasteful number, since it uses less digits than its factorization.

66214267135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283914.

The product of its digits is 362880, while the sum is 43.

The spelling of 66214267135 in words is "sixty-six billion, two hundred fourteen million, two hundred sixty-seven thousand, one hundred thirty-five".