66126059003 has 16 divisors (see below), whose sum is σ = 67443425280. Its totient is φ = 64823774400.

The previous prime is 66126058981. The next prime is 66126059029. The reversal of 66126059003 is 30095062166.

It is a cyclic number.

It is not a de Polignac number, because 66126059003 - 2¹⁶ = 66125993467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66126059063) 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, 5212358 + ... + 5225028.

It is an arithmetic number, because the mean of its divisors is an integer number (4215214080).

Almost surely, 2^66126059003 is an apocalyptic number.

66126059003 is a deficient number, since it is larger than the sum of its proper divisors (1317366277).

66126059003 is a wasteful number, since it uses less digits than its factorization.

66126059003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13258.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 66126059003 in words is "sixty-six billion, one hundred twenty-six million, fifty-nine thousand, three".