166044466 has 16 divisors (see below), whose sum is σ = 284849856. Its totient is φ = 71111376.

The previous prime is 166044451. The next prime is 166044469. The reversal of 166044466 is 664440661.

It is a happy number.

166044466 is digitally balanced in base 2 and base 3, because in such bases 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 (166044469) 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, 21700 + ... + 28336.

It is an arithmetic number, because the mean of its divisors is an integer number (17803116).

Almost surely, 2^166044466 is an apocalyptic number.

166044466 is a deficient number, since it is larger than the sum of its proper divisors (118805390).

166044466 is a wasteful number, since it uses less digits than its factorization.

166044466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 166044466 is about 12885.8242266453. The cubic root of 166044466 is about 549.6355337406.

The spelling of 166044466 in words is "one hundred sixty-six million, forty-four thousand, four hundred sixty-six".