164930893393 has 8 divisors (see below), whose sum is σ = 189225885312. Its totient is φ = 140819260416.

The previous prime is 164930893373. The next prime is 164930893399. The reversal of 164930893393 is 393398039461.

164930893393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164930893393 - 2³³ = 156340958801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164930893399) 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 7 ways as a sum of consecutive naturals, for example, 45837805 + ... + 45841402.

It is an arithmetic number, because the mean of its divisors is an integer number (23653235664).

Almost surely, 2^164930893393 is an apocalyptic number.

It is an amenable number.

164930893393 is a deficient number, since it is larger than the sum of its proper divisors (24294991919).

164930893393 is an equidigital number, since it uses as much as digits as its factorization.

164930893393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91679471.

The product of its (nonzero) digits is 11337408, while the sum is 58.

The spelling of 164930893393 in words is "one hundred sixty-four billion, nine hundred thirty million, eight hundred ninety-three thousand, three hundred ninety-three".