166759648419 has 64 divisors (see below), whose sum is σ = 293939072000. Its totient is φ = 83331472896.

The previous prime is 166759648403. The next prime is 166759648427. The reversal of 166759648419 is 914846957661.

166759648419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166759648419 - 2⁴ = 166759648403 is a prime.

It is a super-2 number, since 2×166759648419² (a number of 23 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 166759648419.

It is not an unprimeable number, because it can be changed into a prime (166759648919) 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 in 63 ways as a sum of consecutive naturals, for example, 73894 + ... + 582219.

It is an arithmetic number, because the mean of its divisors is an integer number (4592798000).

Almost surely, 2^166759648419 is an apocalyptic number.

166759648419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

166759648419 is a deficient number, since it is larger than the sum of its proper divisors (127179423581).

166759648419 is a wasteful number, since it uses less digits than its factorization.

166759648419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656169 (or 656155 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 66.

The spelling of 166759648419 in words is "one hundred sixty-six billion, seven hundred fifty-nine million, six hundred forty-eight thousand, four hundred nineteen".