66405555114 has 8 divisors (see below), whose sum is σ = 132811110240. Its totient is φ = 22135185036.

The previous prime is 66405555101. The next prime is 66405555119. The reversal of 66405555114 is 41155550466.

It is a sphenic number, since it is the product of 3 distinct primes.

66405555114 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66405555119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5533796254 + ... + 5533796265.

It is an arithmetic number, because the mean of its divisors is an integer number (16601388780).

Almost surely, 2^66405555114 is an apocalyptic number.

66405555114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66405555114 is a wasteful number, since it uses less digits than its factorization.

66405555114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067592524.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 66405555114 in words is "sixty-six billion, four hundred five million, five hundred fifty-five thousand, one hundred fourteen".