166701066 has 32 divisors (see below), whose sum is σ = 382648320. Its totient is φ = 47426736.

The previous prime is 166701061. The next prime is 166701097. The reversal of 166701066 is 660107661.

166701066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166701061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (11957760).

Almost surely, 2^166701066 is an apocalyptic number.

166701066 is an abundant number, since it is smaller than the sum of its proper divisors (215947254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166701066 is a wasteful number, since it uses less digits than its factorization.

166701066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16858.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 166701066 is about 12911.2766990720. The cubic root of 166701066 is about 550.3590669100.

The spelling of 166701066 in words is "one hundred sixty-six million, seven hundred one thousand, sixty-six".