164342800133 has 4 divisors (see below), whose sum is σ = 164366830188. Its totient is φ = 164318770080.

The previous prime is 164342800123. The next prime is 164342800261. The reversal of 164342800133 is 331008243461.

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 90924562369 + 73418237764 = 301537^2 + 270958^2 .

It is a cyclic number.

It is not a de Polignac number, because 164342800133 - 2⁸ = 164342799877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164342800093 and 164342800102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164342800123) 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, 12004766 + ... + 12018447.

It is an arithmetic number, because the mean of its divisors is an integer number (41091707547).

Almost surely, 2^164342800133 is an apocalyptic number.

It is an amenable number.

164342800133 is a deficient number, since it is larger than the sum of its proper divisors (24030055).

164342800133 is an equidigital number, since it uses as much as digits as its factorization.

164342800133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030054.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 164342800133 in words is "one hundred sixty-four billion, three hundred forty-two million, eight hundred thousand, one hundred thirty-three".