166530276676519 has 12 divisors (see below), whose sum is σ = 193719305443824. Its totient is φ = 142739933449344.

The previous prime is 166530276676487. The next prime is 166530276676573. The reversal of 166530276676519 is 915676672035661.

It is not a de Polignac number, because 166530276676519 - 2⁵ = 166530276676487 is a prime.

It is a super-2 number, since 2×166530276676519² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166530276676579) 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 in 11 ways as a sum of consecutive naturals, for example, 21397494 + ... + 28123180.

It is an arithmetic number, because the mean of its divisors is an integer number (16143275453652).

Almost surely, 2^{166530276676519} is an apocalyptic number.

166530276676519 is a deficient number, since it is larger than the sum of its proper divisors (27189028767305).

166530276676519 is an equidigital number, since it uses as much as digits as its factorization.

166530276676519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231014 (or 7231007 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 70.

The spelling of 166530276676519 in words is "one hundred sixty-six trillion, five hundred thirty billion, two hundred seventy-six million, six hundred seventy-six thousand, five hundred nineteen".