166010088961 has 4 divisors (see below), whose sum is σ = 166010919124. Its totient is φ = 166009258800.

The previous prime is 166010088953. The next prime is 166010088977. The reversal of 166010088961 is 169880010661.

It is a happy number.

166010088961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 59623872400 + 106386216561 = 244180^2 + 326169^2 .

It is a cyclic number.

It is not a de Polignac number, because 166010088961 - 2³ = 166010088953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166010088941) 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 3 ways as a sum of consecutive naturals, for example, 88651 + ... + 582991.

It is an arithmetic number, because the mean of its divisors is an integer number (41502729781).

Almost surely, 2^166010088961 is an apocalyptic number.

It is an amenable number.

166010088961 is a deficient number, since it is larger than the sum of its proper divisors (830163).

166010088961 is an equidigital number, since it uses as much as digits as its factorization.

166010088961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830162.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 166010088961 in words is "one hundred sixty-six billion, ten million, eighty-eight thousand, nine hundred sixty-one".