164106612245 has 8 divisors (see below), whose sum is σ = 196933075416. Its totient is φ = 131281862656.

The previous prime is 164106612179. The next prime is 164106612247. The reversal of 164106612245 is 542216601461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11380409041 + 152726203204 = 106679^2 + 390802^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 164106612245 - 2³⁰ = 163032870421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164106612199 and 164106612208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164106612247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207332 + ... + 609261.

It is an arithmetic number, because the mean of its divisors is an integer number (24616634427).

Almost surely, 2^164106612245 is an apocalyptic number.

It is an amenable number.

164106612245 is a deficient number, since it is larger than the sum of its proper divisors (32826463171).

164106612245 is an equidigital number, since it uses as much as digits as its factorization.

164106612245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856791.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 164106612245 in words is "one hundred sixty-four billion, one hundred six million, six hundred twelve thousand, two hundred forty-five".