164443303012215 has 64 divisors (see below), whose sum is σ = 269335175155200. Its totient is φ = 85652514207744.

The previous prime is 164443303012193. The next prime is 164443303012259. The reversal of 164443303012215 is 512210303344461.

It is not a de Polignac number, because 164443303012215 - 2⁸ = 164443303011959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471744267 + ... + 472092723.

It is an arithmetic number, because the mean of its divisors is an integer number (4208362111800).

Almost surely, 2^{164443303012215} is an apocalyptic number.

164443303012215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164443303012215 is a deficient number, since it is larger than the sum of its proper divisors (104891872142985).

164443303012215 is a wasteful number, since it uses less digits than its factorization.

164443303012215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352896.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 164443303012215 its reverse (512210303344461), we get a palindrome (676653606356676).

The spelling of 164443303012215 in words is "one hundred sixty-four trillion, four hundred forty-three billion, three hundred three million, twelve thousand, two hundred fifteen".