164936073894 has 16 divisors (see below), whose sum is σ = 331435525440. Its totient is φ = 54718128360.

The previous prime is 164936073859. The next prime is 164936073919. The reversal of 164936073894 is 498370639461.

164936073894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65139364 + ... + 65141895.

It is an arithmetic number, because the mean of its divisors is an integer number (20714720340).

Almost surely, 2^164936073894 is an apocalyptic number.

164936073894 is an abundant number, since it is smaller than the sum of its proper divisors (166499451546).

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

164936073894 is a wasteful number, since it uses less digits than its factorization.

164936073894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130281475.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 164936073894 in words is "one hundred sixty-four billion, nine hundred thirty-six million, seventy-three thousand, eight hundred ninety-four".