164246566 has 8 divisors (see below), whose sum is σ = 268767144. Its totient is φ = 74657520.

The previous prime is 164246543. The next prime is 164246567. The reversal of 164246566 is 665642461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164246567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3732855 + ... + 3732898.

It is an arithmetic number, because the mean of its divisors is an integer number (33595893).

Almost surely, 2^164246566 is an apocalyptic number.

164246566 is a deficient number, since it is larger than the sum of its proper divisors (104520578).

164246566 is a wasteful number, since it uses less digits than its factorization.

164246566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465766.

The product of its digits is 207360, while the sum is 40.

The square root of 164246566 is about 12815.8716441762. The cubic root of 164246566 is about 547.6445450037.

The spelling of 164246566 in words is "one hundred sixty-four million, two hundred forty-six thousand, five hundred sixty-six".