164413817 has 4 divisors (see below), whose sum is σ = 174085236. Its totient is φ = 154742400.

The previous prime is 164413793. The next prime is 164413861. The reversal of 164413817 is 718314461.

It is a happy number.

164413817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147282496 + 17131321 = 12136^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 164413817 - 2¹⁶ = 164348281 is a prime.

It is a super-3 number, since 3×164413817³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164413877) 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, 4835684 + ... + 4835717.

It is an arithmetic number, because the mean of its divisors is an integer number (43521309).

Almost surely, 2^164413817 is an apocalyptic number.

164413817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

164413817 is a deficient number, since it is larger than the sum of its proper divisors (9671419).

164413817 is an equidigital number, since it uses as much as digits as its factorization.

164413817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671418.

The product of its digits is 16128, while the sum is 35.

The square root of 164413817 is about 12822.3951350752. The cubic root of 164413817 is about 547.8303693363.

The spelling of 164413817 in words is "one hundred sixty-four million, four hundred thirteen thousand, eight hundred seventeen".