164816866 has 8 divisors (see below), whose sum is σ = 247659984. Its totient is φ = 82263540.

The previous prime is 164816837. The next prime is 164816879. The reversal of 164816866 is 668618461.

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, 71020 + ... + 73303.

It is an arithmetic number, because the mean of its divisors is an integer number (30957498).

Almost surely, 2^164816866 is an apocalyptic number.

164816866 is a deficient number, since it is larger than the sum of its proper divisors (82843118).

164816866 is a wasteful number, since it uses less digits than its factorization.

164816866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144896.

The product of its digits is 331776, while the sum is 46.

The square root of 164816866 is about 12838.1021183039. The cubic root of 164816866 is about 548.2776600093.

The spelling of 164816866 in words is "one hundred sixty-four million, eight hundred sixteen thousand, eight hundred sixty-six".