66166234003 has 2 divisors, whose sum is σ = 66166234004. Its totient is φ = 66166234002.

The previous prime is 66166233983. The next prime is 66166234031. The reversal of 66166234003 is 30043266166.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66166234003 is a prime.

It is not a weakly prime, because it can be changed into another prime (66166234073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33083117001 + 33083117002.

It is an arithmetic number, because the mean of its divisors is an integer number (33083117002).

Almost surely, 2^66166234003 is an apocalyptic number.

66166234003 is a deficient number, since it is larger than the sum of its proper divisors (1).

66166234003 is an equidigital number, since it uses as much as digits as its factorization.

66166234003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 66166234003 in words is "sixty-six billion, one hundred sixty-six million, two hundred thirty-four thousand, three".