164011133245 has 4 divisors (see below), whose sum is σ = 196813359900. Its totient is φ = 131208906592.

The previous prime is 164011133207. The next prime is 164011133261. The reversal of 164011133245 is 542331110461.

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 57840731001 + 106170402244 = 240501^2 + 325838^2 .

It is a cyclic number.

It is not a de Polignac number, because 164011133245 - 2¹³ = 164011125053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16401113320 + ... + 16401113329.

It is an arithmetic number, because the mean of its divisors is an integer number (49203339975).

Almost surely, 2^164011133245 is an apocalyptic number.

It is an amenable number.

164011133245 is a deficient number, since it is larger than the sum of its proper divisors (32802226655).

164011133245 is an equidigital number, since it uses as much as digits as its factorization.

164011133245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32802226654.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 164011133245 in words is "one hundred sixty-four billion, eleven million, one hundred thirty-three thousand, two hundred forty-five".