66111462367 has 16 divisors (see below), whose sum is σ = 71755960320. Its totient is φ = 60667189632.

The previous prime is 66111462343. The next prime is 66111462379. The reversal of 66111462367 is 76326411166.

It is a cyclic number.

It is not a de Polignac number, because 66111462367 - 2¹⁵ = 66111429599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66111462337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331234 + ... + 491872.

It is an arithmetic number, because the mean of its divisors is an integer number (4484747520).

Almost surely, 2^66111462367 is an apocalyptic number.

66111462367 is a deficient number, since it is larger than the sum of its proper divisors (5644497953).

66111462367 is a wasteful number, since it uses less digits than its factorization.

66111462367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161262.

The product of its digits is 217728, while the sum is 43.

The spelling of 66111462367 in words is "sixty-six billion, one hundred eleven million, four hundred sixty-two thousand, three hundred sixty-seven".