164242406 has 8 divisors (see below), whose sum is σ = 260855640. Its totient is φ = 77290528.

The previous prime is 164242381. The next prime is 164242411. The reversal of 164242406 is 604242461.

It is a happy number.

164242406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 2415296 + ... + 2415363.

It is an arithmetic number, because the mean of its divisors is an integer number (32606955).

Almost surely, 2^164242406 is an apocalyptic number.

164242406 is a deficient number, since it is larger than the sum of its proper divisors (96613234).

164242406 is a wasteful number, since it uses less digits than its factorization.

164242406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830678.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 164242406 is about 12815.7093443945. The cubic root of 164242406 is about 547.6399214255.

Adding to 164242406 its reverse (604242461), we get a palindrome (768484867).

The spelling of 164242406 in words is "one hundred sixty-four million, two hundred forty-two thousand, four hundred six".