66411832214 has 64 divisors (see below), whose sum is σ = 125670859776. Its totient is φ = 25622123904.

The previous prime is 66411832213. The next prime is 66411832217. The reversal of 66411832214 is 41223811466.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66411832213) 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, 1590269 + ... + 1631495.

It is an arithmetic number, because the mean of its divisors is an integer number (1963607184).

Almost surely, 2^66411832214 is an apocalyptic number.

66411832214 is a deficient number, since it is larger than the sum of its proper divisors (59259027562).

66411832214 is a wasteful number, since it uses less digits than its factorization.

66411832214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41469.

The product of its digits is 55296, while the sum is 38.

The spelling of 66411832214 in words is "sixty-six billion, four hundred eleven million, eight hundred thirty-two thousand, two hundred fourteen".