164003719 has 4 divisors (see below), whose sum is σ = 178913160. Its totient is φ = 149094280.

The previous prime is 164003713. The next prime is 164003803. The reversal of 164003719 is 917300461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164003719 - 2¹⁵ = 163970951 is a prime.

It is a super-2 number, since 2×164003719² = 53794439691661922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164003713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7454704 + ... + 7454725.

It is an arithmetic number, because the mean of its divisors is an integer number (44728290).

Almost surely, 2^164003719 is an apocalyptic number.

164003719 is a deficient number, since it is larger than the sum of its proper divisors (14909441).

164003719 is a wasteful number, since it uses less digits than its factorization.

164003719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14909440.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 164003719 is about 12806.3936765976. The cubic root of 164003719 is about 547.3745049900.

The spelling of 164003719 in words is "one hundred sixty-four million, three thousand, seven hundred nineteen".