66320102237667 has 8 divisors (see below), whose sum is σ = 88427037771024. Its totient is φ = 44213284098048.

The previous prime is 66320102237591. The next prime is 66320102237687. The reversal of 66320102237667 is 76673220102366.

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

It is not a de Polignac number, because 66320102237667 - 2¹⁶ = 66320102172131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66320102237687) 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, 28021678 + ... + 30296115.

It is an arithmetic number, because the mean of its divisors is an integer number (11053379721378).

Almost surely, 2^{66320102237667} is an apocalyptic number.

66320102237667 is a deficient number, since it is larger than the sum of its proper divisors (22106935533357).

66320102237667 is a wasteful number, since it uses less digits than its factorization.

66320102237667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58696869.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 66320102237667 in words is "sixty-six trillion, three hundred twenty billion, one hundred two million, two hundred thirty-seven thousand, six hundred sixty-seven".