66453128314 has 8 divisors (see below), whose sum is σ = 99680924628. Its totient is φ = 33226153440.

The previous prime is 66453128303. The next prime is 66453128341. The reversal of 66453128314 is 41382135466.

It can be written as a sum of positive squares in 2 ways, for example, as 66237772689 + 215355625 = 257367^2 + 14675^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71584 + ... + 371524.

Almost surely, 2^66453128314 is an apocalyptic number.

66453128314 is a deficient number, since it is larger than the sum of its proper divisors (33227796314).

66453128314 is a wasteful number, since it uses less digits than its factorization.

66453128314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410720.

The product of its digits is 414720, while the sum is 43.

The spelling of 66453128314 in words is "sixty-six billion, four hundred fifty-three million, one hundred twenty-eight thousand, three hundred fourteen".