166534066 has 16 divisors (see below), whose sum is σ = 263917440. Its totient is φ = 78683920.

The previous prime is 166534063. The next prime is 166534073. The reversal of 166534066 is 660435661.

It is not an unprimeable number, because it can be changed into a prime (166534063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27820 + ... + 33271.

It is an arithmetic number, because the mean of its divisors is an integer number (16494840).

Almost surely, 2^166534066 is an apocalyptic number.

166534066 is a deficient number, since it is larger than the sum of its proper divisors (97383374).

166534066 is a wasteful number, since it uses less digits than its factorization.

166534066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61169.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 166534066 is about 12904.8078637382. The cubic root of 166534066 is about 550.1752235088.

The spelling of 166534066 in words is "one hundred sixty-six million, five hundred thirty-four thousand, sixty-six".