11664516642419 has 2 divisors, whose sum is σ = 11664516642420. Its totient is φ = 11664516642418.

The previous prime is 11664516642391. The next prime is 11664516642437. The reversal of 11664516642419 is 91424661546611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11664516642419 - 2¹⁶ = 11664516576883 is a prime.

It is a super-2 number, since 2×11664516642419² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11664516602419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832258321209 + 5832258321210.

It is an arithmetic number, because the mean of its divisors is an integer number (5832258321210).

Almost surely, 2^{11664516642419} is an apocalyptic number.

11664516642419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11664516642419 is an equidigital number, since it uses as much as digits as its factorization.

11664516642419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 56.

The spelling of 11664516642419 in words is "eleven trillion, six hundred sixty-four billion, five hundred sixteen million, six hundred forty-two thousand, four hundred nineteen".