164365203105 has 16 divisors (see below), whose sum is σ = 292204805760. Its totient is φ = 87661441584.

The previous prime is 164365203061. The next prime is 164365203133. The reversal of 164365203105 is 501302563461.

164365203105 is a `hidden beast` number, since 1 + 6 + 436 + 5 + 203 + 10 + 5 = 666.

It is not a de Polignac number, because 164365203105 - 2¹⁶ = 164365137569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164365203105.

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, 608759877 + ... + 608760146.

It is an arithmetic number, because the mean of its divisors is an integer number (18262800360).

Almost surely, 2^164365203105 is an apocalyptic number.

164365203105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164365203105 is a deficient number, since it is larger than the sum of its proper divisors (127839602655).

164365203105 is a wasteful number, since it uses less digits than its factorization.

164365203105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217520037 (or 1217520031 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 164365203105 its reverse (501302563461), we get a palindrome (665667766566).

The spelling of 164365203105 in words is "one hundred sixty-four billion, three hundred sixty-five million, two hundred three thousand, one hundred five".