3664164442541 has 2 divisors, whose sum is σ = 3664164442542. Its totient is φ = 3664164442540.

The previous prime is 3664164442537. The next prime is 3664164442583. The reversal of 3664164442541 is 1452444614663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3622607989225 + 41556453316 = 1903315^2 + 203854^2 .

It is a cyclic number.

It is not a de Polignac number, because 3664164442541 - 2² = 3664164442537 is a prime.

It is a super-2 number, since 2×3664164442541² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3664164442541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664164442531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832082221270 + 1832082221271.

It is an arithmetic number, because the mean of its divisors is an integer number (1832082221271).

Almost surely, 2^{3664164442541} is an apocalyptic number.

It is an amenable number.

3664164442541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664164442541 is an equidigital number, since it uses as much as digits as its factorization.

3664164442541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 50.

The spelling of 3664164442541 in words is "three trillion, six hundred sixty-four billion, one hundred sixty-four million, four hundred forty-two thousand, five hundred forty-one".