66307607607 has 8 divisors (see below), whose sum is σ = 88413973120. Its totient is φ = 44203156920.

The previous prime is 66307607591. The next prime is 66307607627. The reversal of 66307607607 is 70670670366.

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

It is not a de Polignac number, because 66307607607 - 2⁴ = 66307607591 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 (66307607627) 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, 395857 + ... + 537882.

It is an arithmetic number, because the mean of its divisors is an integer number (11051746640).

Almost surely, 2^66307607607 is an apocalyptic number.

66307607607 is a deficient number, since it is larger than the sum of its proper divisors (22106365513).

66307607607 is a wasteful number, since it uses less digits than its factorization.

66307607607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957413.

The product of its (nonzero) digits is 1333584, while the sum is 48.

The spelling of 66307607607 in words is "sixty-six billion, three hundred seven million, six hundred seven thousand, six hundred seven".