164423710257401 has 16 divisors (see below), whose sum is σ = 190609340676480. Its totient is φ = 138924506284800.

The previous prime is 164423710257383. The next prime is 164423710257421. The reversal of 164423710257401 is 104752017324461.

It is a cyclic number.

It is not a de Polignac number, because 164423710257401 - 2¹⁸ = 164423709995257 is a prime.

It is a super-3 number, since 3×164423710257401³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164423710257421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512098016 + ... + 512418993.

It is an arithmetic number, because the mean of its divisors is an integer number (11913083792280).

Almost surely, 2^{164423710257401} is an apocalyptic number.

It is an amenable number.

164423710257401 is a deficient number, since it is larger than the sum of its proper divisors (26185630419079).

164423710257401 is a wasteful number, since it uses less digits than its factorization.

164423710257401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024517344.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 164423710257401 in words is "one hundred sixty-four trillion, four hundred twenty-three billion, seven hundred ten million, two hundred fifty-seven thousand, four hundred one".