66007307429 has 8 divisors (see below), whose sum is σ = 75469193280. Its totient is φ = 56553489216.

The previous prime is 66007307369. The next prime is 66007307461. The reversal of 66007307429 is 92470370066.

It is a happy number.

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

It is not a de Polignac number, because 66007307429 - 2⁸ = 66007307173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66007307429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66007306429) 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, 1999364 + ... + 2032109.

It is an arithmetic number, because the mean of its divisors is an integer number (9433649160).

Almost surely, 2^66007307429 is an apocalyptic number.

It is an amenable number.

66007307429 is a deficient number, since it is larger than the sum of its proper divisors (9461885851).

66007307429 is a wasteful number, since it uses less digits than its factorization.

66007307429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033819.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 66007307429 in words is "sixty-six billion, seven million, three hundred seven thousand, four hundred twenty-nine".