164320365661001 has 8 divisors (see below), whose sum is σ = 179326047286944. Its totient is φ = 149325928462720.

The previous prime is 164320365660967. The next prime is 164320365661019. The reversal of 164320365661001 is 100166563023461.

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 164320365661001 - 2¹⁰ = 164320365659977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164320365666001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811076355 + ... + 2811134808.

It is an arithmetic number, because the mean of its divisors is an integer number (22415755910868).

Almost surely, 2^{164320365661001} is an apocalyptic number.

164320365661001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164320365661001 is a deficient number, since it is larger than the sum of its proper divisors (15005681625943).

164320365661001 is a wasteful number, since it uses less digits than its factorization.

164320365661001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622213831.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 164320365661001 in words is "one hundred sixty-four trillion, three hundred twenty billion, three hundred sixty-five million, six hundred sixty-one thousand, one".