166416034304519 has 2 divisors, whose sum is σ = 166416034304520. Its totient is φ = 166416034304518.

The previous prime is 166416034304411. The next prime is 166416034304543. The reversal of 166416034304519 is 915403430614661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166416034304519 - 2⁴⁰ = 165316522676743 is a prime.

It is a super-2 number, since 2×166416034304519² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166416034304549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83208017152259 + 83208017152260.

It is an arithmetic number, because the mean of its divisors is an integer number (83208017152260).

Almost surely, 2^{166416034304519} is an apocalyptic number.

166416034304519 is a deficient number, since it is larger than the sum of its proper divisors (1).

166416034304519 is an equidigital number, since it uses as much as digits as its factorization.

166416034304519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 166416034304519 in words is "one hundred sixty-six trillion, four hundred sixteen billion, thirty-four million, three hundred four thousand, five hundred nineteen".