66614640153 has 8 divisors (see below), whose sum is σ = 91882262400. Its totient is φ = 42878389008.

The previous prime is 66614640151. The next prime is 66614640173. The reversal of 66614640153 is 35104641666.

66614640153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66614640153 - 2¹ = 66614640151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66614640151) 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, 382842673 + ... + 382842846.

It is an arithmetic number, because the mean of its divisors is an integer number (11485282800).

Almost surely, 2^66614640153 is an apocalyptic number.

It is an amenable number.

66614640153 is a deficient number, since it is larger than the sum of its proper divisors (25267622247).

66614640153 is a wasteful number, since it uses less digits than its factorization.

66614640153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765685551.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 66614640153 in words is "sixty-six billion, six hundred fourteen million, six hundred forty thousand, one hundred fifty-three".