66214602067479 has 8 divisors (see below), whose sum is σ = 88734289065840. Its totient is φ = 43918991557056.

The previous prime is 66214602067463. The next prime is 66214602067517. The reversal of 66214602067479 is 97476020641266.

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

It is not a de Polignac number, because 66214602067479 - 2⁴ = 66214602067463 is a prime.

It is a super-2 number, since 2×66214602067479² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66214602067429) 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, 56019121294 + ... + 56019122475.

It is an arithmetic number, because the mean of its divisors is an integer number (11091786133230).

Almost surely, 2^{66214602067479} is an apocalyptic number.

66214602067479 is a deficient number, since it is larger than the sum of its proper divisors (22519686998361).

66214602067479 is a wasteful number, since it uses less digits than its factorization.

66214602067479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112038243969.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 66214602067479 in words is "sixty-six trillion, two hundred fourteen billion, six hundred two million, sixty-seven thousand, four hundred seventy-nine".