164211015 has 16 divisors (see below), whose sum is σ = 276566400. Its totient is φ = 82969632.

The previous prime is 164210993. The next prime is 164211031. The reversal of 164211015 is 510112461.

164211015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164211015 - 2⁸ = 164210759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164210982 and 164211000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287805 + ... + 288374.

It is an arithmetic number, because the mean of its divisors is an integer number (17285400).

Almost surely, 2^164211015 is an apocalyptic number.

164211015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164211015 is a deficient number, since it is larger than the sum of its proper divisors (112355385).

164211015 is a wasteful number, since it uses less digits than its factorization.

164211015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576206.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 164211015 is about 12814.4845780078. The cubic root of 164211015 is about 547.6050297867.

Adding to 164211015 its reverse (510112461), we get a palindrome (674323476).

The spelling of 164211015 in words is "one hundred sixty-four million, two hundred eleven thousand, fifteen".