164245416135263 has 16 divisors (see below), whose sum is σ = 171592768569600. Its totient is φ = 157010338060800.

The previous prime is 164245416135259. The next prime is 164245416135271. The reversal of 164245416135263 is 362531614542461.

It is a cyclic number.

It is not a de Polignac number, because 164245416135263 - 2² = 164245416135259 is a prime.

It is a super-2 number, since 2×164245416135263² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164245416135233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678935495 + ... + 679177367.

It is an arithmetic number, because the mean of its divisors is an integer number (10724548035600).

Almost surely, 2^{164245416135263} is an apocalyptic number.

164245416135263 is a deficient number, since it is larger than the sum of its proper divisors (7347352434337).

164245416135263 is a wasteful number, since it uses less digits than its factorization.

164245416135263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473842.

The product of its digits is 12441600, while the sum is 53.

The spelling of 164245416135263 in words is "one hundred sixty-four trillion, two hundred forty-five billion, four hundred sixteen million, one hundred thirty-five thousand, two hundred sixty-three".