164466240435253 has 8 divisors (see below), whose sum is σ = 168478532976600. Its totient is φ = 160453991742720.

The previous prime is 164466240435247. The next prime is 164466240435257. The reversal of 164466240435253 is 352534042664461.

It can be written as a sum of positive squares in 4 ways, for example, as 2107090302724 + 162359150132529 = 1451582^2 + 12742023^2 .

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 164466240435253 - 2¹⁷ = 164466240304181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164466240435194 and 164466240435203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164466240435257) 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, 3304728 + ... + 18435121.

It is an arithmetic number, because the mean of its divisors is an integer number (21059816622075).

Almost surely, 2^{164466240435253} is an apocalyptic number.

It is an amenable number.

164466240435253 is a deficient number, since it is larger than the sum of its proper divisors (4012292541347).

164466240435253 is a wasteful number, since it uses less digits than its factorization.

164466240435253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21924407.

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 164466240435253 in words is "one hundred sixty-four trillion, four hundred sixty-six billion, two hundred forty million, four hundred thirty-five thousand, two hundred fifty-three".