164254166 has 4 divisors (see below), whose sum is σ = 246381252. Its totient is φ = 82127082.

The previous prime is 164254163. The next prime is 164254177. The reversal of 164254166 is 661452461.

164254166 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 a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661452461 = 157 ⋅4213073.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164254163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41063540 + ... + 41063543.

It is an arithmetic number, because the mean of its divisors is an integer number (61595313).

Almost surely, 2^164254166 is an apocalyptic number.

164254166 is a deficient number, since it is larger than the sum of its proper divisors (82127086).

164254166 is an equidigital number, since it uses as much as digits as its factorization.

164254166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82127085.

The product of its digits is 34560, while the sum is 35.

The square root of 164254166 is about 12816.1681480854. The cubic root of 164254166 is about 547.6529917239.

The spelling of 164254166 in words is "one hundred sixty-four million, two hundred fifty-four thousand, one hundred sixty-six".