164043035665255 has 64 divisors (see below), whose sum is σ = 200749570560000. Its totient is φ = 128663170122240.

The previous prime is 164043035665231. The next prime is 164043035665283. The reversal of 164043035665255 is 552566530340461.

It is a happy number.

It is not a de Polignac number, because 164043035665255 - 2²¹ = 164043033568103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164043035665196 and 164043035665205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64609307776 + ... + 64609310314.

It is an arithmetic number, because the mean of its divisors is an integer number (3136712040000).

Almost surely, 2^{164043035665255} is an apocalyptic number.

164043035665255 is a deficient number, since it is larger than the sum of its proper divisors (36706534894745).

164043035665255 is a wasteful number, since it uses less digits than its factorization.

164043035665255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 164043035665255 in words is "one hundred sixty-four trillion, forty-three billion, thirty-five million, six hundred sixty-five thousand, two hundred fifty-five".