163274666 has 8 divisors (see below), whose sum is σ = 245107620. Its totient is φ = 81572128.

The previous prime is 163274651. The next prime is 163274707. The reversal of 163274666 is 666472361.

163274666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159491641 + 3783025 = 12629^2 + 1945^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29411 + ... + 34518.

Almost surely, 2^163274666 is an apocalyptic number.

163274666 is a deficient number, since it is larger than the sum of its proper divisors (81832954).

163274666 is a wasteful number, since it uses less digits than its factorization.

163274666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65208.

The product of its digits is 217728, while the sum is 41.

The square root of 163274666 is about 12777.8975578927. The cubic root of 163274666 is about 546.5622107744.

The spelling of 163274666 in words is "one hundred sixty-three million, two hundred seventy-four thousand, six hundred sixty-six".