166044052203479 has 2 divisors, whose sum is σ = 166044052203480. Its totient is φ = 166044052203478.

The previous prime is 166044052203383. The next prime is 166044052203487. The reversal of 166044052203479 is 974302250440661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166044052203479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166044052203479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166044052203079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83022026101739 + 83022026101740.

It is an arithmetic number, because the mean of its divisors is an integer number (83022026101740).

Almost surely, 2^{166044052203479} is an apocalyptic number.

166044052203479 is a deficient number, since it is larger than the sum of its proper divisors (1).

166044052203479 is an equidigital number, since it uses as much as digits as its factorization.

166044052203479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 166044052203479 in words is "one hundred sixty-six trillion, forty-four billion, fifty-two million, two hundred three thousand, four hundred seventy-nine".