164003416 has 8 divisors (see below), whose sum is σ = 307506420. Its totient is φ = 82001704.

The previous prime is 164003407. The next prime is 164003443. The reversal of 164003416 is 614300461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10250206 + ... + 10250221.

Almost surely, 2^164003416 is an apocalyptic number.

It is an amenable number.

164003416 is a deficient number, since it is larger than the sum of its proper divisors (143503004).

164003416 is a wasteful number, since it uses less digits than its factorization.

164003416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500433 (or 20500429 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 164003416 is about 12806.3818465638. The cubic root of 164003416 is about 547.3741678949.

Adding to 164003416 its reverse (614300461), we get a palindrome (778303877).

The spelling of 164003416 in words is "one hundred sixty-four million, three thousand, four hundred sixteen".