164686093 has 8 divisors (see below), whose sum is σ = 193477536. Its totient is φ = 138198000.

The previous prime is 164686079. The next prime is 164686097. The reversal of 164686093 is 390686461.

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 164686093 - 2⁵ = 164686061 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 (164686097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575683 + ... + 575968.

It is an arithmetic number, because the mean of its divisors is an integer number (24184692).

Almost surely, 2^164686093 is an apocalyptic number.

164686093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164686093 is a deficient number, since it is larger than the sum of its proper divisors (28791443).

164686093 is a wasteful number, since it uses less digits than its factorization.

164686093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151675.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 164686093 is about 12833.0079482559. The cubic root of 164686093 is about 548.1326123819.

The spelling of 164686093 in words is "one hundred sixty-four million, six hundred eighty-six thousand, ninety-three".