164531264415 has 16 divisors (see below), whose sum is σ = 300857169408. Its totient is φ = 75214292256.

The previous prime is 164531264413. The next prime is 164531264431. The reversal of 164531264415 is 514462135461.

It is not a de Polignac number, because 164531264415 - 2¹ = 164531264413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164531264413) 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, 783482107 + ... + 783482316.

It is an arithmetic number, because the mean of its divisors is an integer number (18803573088).

Almost surely, 2^164531264415 is an apocalyptic number.

164531264415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164531264415 is a deficient number, since it is larger than the sum of its proper divisors (136325904993).

164531264415 is a wasteful number, since it uses less digits than its factorization.

164531264415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566964438.

The product of its digits is 345600, while the sum is 42.

Adding to 164531264415 its reverse (514462135461), we get a palindrome (678993399876).

The spelling of 164531264415 in words is "one hundred sixty-four billion, five hundred thirty-one million, two hundred sixty-four thousand, four hundred fifteen".