66140114 has 16 divisors (see below), whose sum is σ = 100301760. Its totient is φ = 32708400.

The previous prime is 66140101. The next prime is 66140119. The reversal of 66140114 is 41104166.

It is a self number, because there is not a number n which added to its sum of digits gives 66140114.

It is not an unprimeable number, because it can be changed into a prime (66140119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117197 + ... + 117759.

It is an arithmetic number, because the mean of its divisors is an integer number (6268860).

Almost surely, 2^66140114 is an apocalyptic number.

66140114 is a deficient number, since it is larger than the sum of its proper divisors (34161646).

66140114 is a wasteful number, since it uses less digits than its factorization.

66140114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 66140114 is about 8132.6572533213. The cubic root of 66140114 is about 404.4097768513.

The spelling of 66140114 in words is "sixty-six million, one hundred forty thousand, one hundred fourteen".