66479055 has 16 divisors (see below), whose sum is σ = 106564704. Its totient is φ = 35389440.

The previous prime is 66479051. The next prime is 66479089. The reversal of 66479055 is 55097466.

It is not a de Polignac number, because 66479055 - 2² = 66479051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66478998 and 66479016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66479051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (6660294).

Almost surely, 2^66479055 is an apocalyptic number.

66479055 is a deficient number, since it is larger than the sum of its proper divisors (40085649).

66479055 is a wasteful number, since it uses less digits than its factorization.

66479055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8266.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 66479055 is about 8153.4688936673. The cubic root of 66479055 is about 405.0994116579.

The spelling of 66479055 in words is "sixty-six million, four hundred seventy-nine thousand, fifty-five".