84164809903 has 16 divisors (see below), whose sum is σ = 92567059200. Its totient is φ = 76168857600.

The previous prime is 84164809879. The next prime is 84164809913. The reversal of 84164809903 is 30990846148.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 84164809903 - 2¹³ = 84164801711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84164809913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210828 + ... + 461278.

It is an arithmetic number, because the mean of its divisors is an integer number (5785441200).

Almost surely, 2^84164809903 is an apocalyptic number.

84164809903 is a deficient number, since it is larger than the sum of its proper divisors (8402249297).

84164809903 is a wasteful number, since it uses less digits than its factorization.

84164809903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251262.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 84164809903 in words is "eighty-four billion, one hundred sixty-four million, eight hundred nine thousand, nine hundred three".