166010506 has 8 divisors (see below), whose sum is σ = 249076800. Its totient is φ = 82984908.

The previous prime is 166010503. The next prime is 166010519. The reversal of 166010506 is 605010661.

166010506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (166010503) 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, 3945 + ... + 18643.

It is an arithmetic number, because the mean of its divisors is an integer number (31134600).

Almost surely, 2^166010506 is an apocalyptic number.

166010506 is a deficient number, since it is larger than the sum of its proper divisors (83066294).

166010506 is a wasteful number, since it uses less digits than its factorization.

166010506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 166010506 is about 12884.5064321455. The cubic root of 166010506 is about 549.5980600529.

The spelling of 166010506 in words is "one hundred sixty-six million, ten thousand, five hundred six".