164243361554601 has 48 divisors (see below), whose sum is σ = 257026868017920. Its totient is φ = 93014954756640.

The previous prime is 164243361554533. The next prime is 164243361554621. The reversal of 164243361554601 is 106455163342461.

It is not a de Polignac number, because 164243361554601 - 2²¹ = 164243359457449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164243361554621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4628590 + ... + 18705896.

It is an arithmetic number, because the mean of its divisors is an integer number (5354726417040).

Almost surely, 2^{164243361554601} is an apocalyptic number.

It is an amenable number.

164243361554601 is a deficient number, since it is larger than the sum of its proper divisors (92783506463319).

164243361554601 is a wasteful number, since it uses less digits than its factorization.

164243361554601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14078034 (or 14078027 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 164243361554601 in words is "one hundred sixty-four trillion, two hundred forty-three billion, three hundred sixty-one million, five hundred fifty-four thousand, six hundred one".