166008473 has 4 divisors (see below), whose sum is σ = 166435620. Its totient is φ = 165581328.

The previous prime is 166008463. The next prime is 166008533. The reversal of 166008473 is 374800661.

166008473 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 92871769 + 73136704 = 9637^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 166008473 - 2¹⁶ = 165942937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166008433) 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, 212990 + ... + 213767.

It is an arithmetic number, because the mean of its divisors is an integer number (41608905).

Almost surely, 2^166008473 is an apocalyptic number.

It is an amenable number.

166008473 is a deficient number, since it is larger than the sum of its proper divisors (427147).

166008473 is an equidigital number, since it uses as much as digits as its factorization.

166008473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427146.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 166008473 is about 12884.4275386996. The cubic root of 166008473 is about 549.5958165454.

The spelling of 166008473 in words is "one hundred sixty-six million, eight thousand, four hundred seventy-three".