164853250293 has 4 divisors (see below), whose sum is σ = 219804333728. Its totient is φ = 109902166860.

The previous prime is 164853250259. The next prime is 164853250313. The reversal of 164853250293 is 392052358461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392052358461 = 3 ⋅130684119487.

It is not a de Polignac number, because 164853250293 - 2¹⁶ = 164853184757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164853250193) 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, 27475541713 + ... + 27475541718.

It is an arithmetic number, because the mean of its divisors is an integer number (54951083432).

Almost surely, 2^164853250293 is an apocalyptic number.

It is an amenable number.

164853250293 is a deficient number, since it is larger than the sum of its proper divisors (54951083435).

164853250293 is an equidigital number, since it uses as much as digits as its factorization.

164853250293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54951083434.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 164853250293 in words is "one hundred sixty-four billion, eight hundred fifty-three million, two hundred fifty thousand, two hundred ninety-three".