166462340512522 has 4 divisors (see below), whose sum is σ = 249693510768786. Its totient is φ = 83231170256260.

The previous prime is 166462340512519. The next prime is 166462340512609. The reversal of 166462340512522 is 225215043264661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 156111005924721 + 10351334587801 = 12494439^2 + 3217349^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41615585128129 + ... + 41615585128132.

Almost surely, 2^{166462340512522} is an apocalyptic number.

166462340512522 is a deficient number, since it is larger than the sum of its proper divisors (83231170256264).

166462340512522 is an equidigital number, since it uses as much as digits as its factorization.

166462340512522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83231170256263.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 166462340512522 in words is "one hundred sixty-six trillion, four hundred sixty-two billion, three hundred forty million, five hundred twelve thousand, five hundred twenty-two".