66468355 has 8 divisors (see below), whose sum is σ = 80952912. Its totient is φ = 52380768.

The previous prime is 66468349. The next prime is 66468359. The reversal of 66468355 is 55386466.

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

It is a cyclic number.

It is not a de Polignac number, because 66468355 - 2⁵ = 66468323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66468359) 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, 98872 + ... + 99541.

It is an arithmetic number, because the mean of its divisors is an integer number (10119114).

Almost surely, 2^66468355 is an apocalyptic number.

66468355 is a deficient number, since it is larger than the sum of its proper divisors (14484557).

66468355 is a wasteful number, since it uses less digits than its factorization.

66468355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198485.

The product of its digits is 518400, while the sum is 43.

The square root of 66468355 is about 8152.8127048277. The cubic root of 66468355 is about 405.0776765100.

The spelling of 66468355 in words is "sixty-six million, four hundred sixty-eight thousand, three hundred fifty-five".