66010207323 has 16 divisors (see below), whose sum is σ = 88175006496. Its totient is φ = 43926155520.

The previous prime is 66010207321. The next prime is 66010207327. The reversal of 66010207323 is 32370201066.

It is not a de Polignac number, because 66010207323 - 2¹ = 66010207321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66010207321) 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, 9731193 + ... + 9737973.

It is an arithmetic number, because the mean of its divisors is an integer number (5510937906).

Almost surely, 2^66010207323 is an apocalyptic number.

66010207323 is a deficient number, since it is larger than the sum of its proper divisors (22164799173).

66010207323 is a wasteful number, since it uses less digits than its factorization.

66010207323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254.

The product of its (nonzero) digits is 9072, while the sum is 30.

Adding to 66010207323 its reverse (32370201066), we get a palindrome (98380408389).

The spelling of 66010207323 in words is "sixty-six billion, ten million, two hundred seven thousand, three hundred twenty-three".