164156066 has 8 divisors (see below), whose sum is σ = 254725020. Its totient is φ = 79247728.

The previous prime is 164156059. The next prime is 164156077. The reversal of 164156066 is 660651461.

It can be written as a sum of positive squares in 2 ways, for example, as 145709041 + 18447025 = 12071^2 + 4295^2 .

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, 1415081 + ... + 1415196.

Almost surely, 2^164156066 is an apocalyptic number.

164156066 is a deficient number, since it is larger than the sum of its proper divisors (90568954).

164156066 is a wasteful number, since it uses less digits than its factorization.

164156066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830308.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 164156066 is about 12812.3403794935. The cubic root of 164156066 is about 547.5439423180.

The spelling of 164156066 in words is "one hundred sixty-four million, one hundred fifty-six thousand, sixty-six".