164663416 has 8 divisors (see below), whose sum is σ = 308743920. Its totient is φ = 82331704.

The previous prime is 164663381. The next prime is 164663437. The reversal of 164663416 is 614366461.

164663416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×164663416² = 54228081137578112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10291456 + ... + 10291471.

It is an arithmetic number, because the mean of its divisors is an integer number (38592990).

Almost surely, 2^164663416 is an apocalyptic number.

It is an amenable number.

164663416 is a deficient number, since it is larger than the sum of its proper divisors (144080504).

164663416 is a wasteful number, since it uses less digits than its factorization.

164663416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582933 (or 20582929 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 164663416 is about 12832.1243759558. The cubic root of 164663416 is about 548.1074522452.

The spelling of 164663416 in words is "one hundred sixty-four million, six hundred sixty-three thousand, four hundred sixteen".