164043035665203 has 24 divisors (see below), whose sum is σ = 226977756515328. Its totient is φ = 105373222322976.

The previous prime is 164043035665183. The next prime is 164043035665219. The reversal of 164043035665203 is 302566530340461.

It is not a de Polignac number, because 164043035665203 - 2⁸ = 164043035664947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164043035665283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193471651 + ... + 194317692.

It is an arithmetic number, because the mean of its divisors is an integer number (9457406521472).

Almost surely, 2^{164043035665203} is an apocalyptic number.

164043035665203 is a deficient number, since it is larger than the sum of its proper divisors (62934720850125).

164043035665203 is a wasteful number, since it uses less digits than its factorization.

164043035665203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387789523 (or 387789486 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 164043035665203 in words is "one hundred sixty-four trillion, forty-three billion, thirty-five million, six hundred sixty-five thousand, two hundred three".