164496210678 has 12 divisors (see below), whose sum is σ = 356408456508. Its totient is φ = 54832070220.

The previous prime is 164496210673. The next prime is 164496210689. The reversal of 164496210678 is 876012694461.

164496210678 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 9 + 621 + 0 + 6 + 7 + 8 = 666.

164496210678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164496210678² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164496210673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4569339168 + ... + 4569339203.

It is an arithmetic number, because the mean of its divisors is an integer number (29700704709).

Almost surely, 2^164496210678 is an apocalyptic number.

164496210678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164496210678 is an abundant number, since it is smaller than the sum of its proper divisors (191912245830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164496210678 is a wasteful number, since it uses less digits than its factorization.

164496210678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9138678379 (or 9138678376 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 164496210678 in words is "one hundred sixty-four billion, four hundred ninety-six million, two hundred ten thousand, six hundred seventy-eight".