166364101 has 4 divisors (see below), whose sum is σ = 170421804. Its totient is φ = 162306400.

The previous prime is 166364089. The next prime is 166364111. The reversal of 166364101 is 101463661.

166364101 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.

It can be written as a sum of positive squares in 2 ways, for example, as 85544001 + 80820100 = 9249^2 + 8990^2 .

It is a cyclic number.

It is not a de Polignac number, because 166364101 - 2¹⁹ = 165839813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166364101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166364111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028790 + ... + 2028871.

It is an arithmetic number, because the mean of its divisors is an integer number (42605451).

Almost surely, 2^166364101 is an apocalyptic number.

It is an amenable number.

166364101 is a deficient number, since it is larger than the sum of its proper divisors (4057703).

166364101 is an equidigital number, since it uses as much as digits as its factorization.

166364101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057702.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 166364101 is about 12898.2208463028. The cubic root of 166364101 is about 549.9879898204.

The spelling of 166364101 in words is "one hundred sixty-six million, three hundred sixty-four thousand, one hundred one".