66048479 has 8 divisors (see below), whose sum is σ = 78766080. Its totient is φ = 54151416.

The previous prime is 66048469. The next prime is 66048481. The reversal of 66048479 is 97484066.

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 66048479 - 2²⁰ = 64999903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66048419) 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, 204959 + ... + 205280.

It is an arithmetic number, because the mean of its divisors is an integer number (9845760).

Almost surely, 2^66048479 is an apocalyptic number.

66048479 is a deficient number, since it is larger than the sum of its proper divisors (12717601).

66048479 is a wasteful number, since it uses less digits than its factorization.

66048479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410269.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 66048479 is about 8127.0215331325. The cubic root of 66048479 is about 404.2229249541. Note that the first 3 decimals are identical.

The spelling of 66048479 in words is "sixty-six million, forty-eight thousand, four hundred seventy-nine".