164250563041503 has 6 divisors (see below), whose sum is σ = 237250813282184. Its totient is φ = 109500375360996.

The previous prime is 164250563041483. The next prime is 164250563041519. The reversal of 164250563041503 is 305140365052461.

It is a happy number.

164250563041503 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 5 + 0 + 5 + 630 + 4 + 1 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 164250563041503 - 2¹⁷ = 164250562910431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164250563041553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9125031280075 + ... + 9125031280092.

Almost surely, 2^{164250563041503} is an apocalyptic number.

164250563041503 is a deficient number, since it is larger than the sum of its proper divisors (73000250240681).

164250563041503 is a wasteful number, since it uses less digits than its factorization.

164250563041503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250062560173 (or 18250062560170 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 164250563041503 in words is "one hundred sixty-four trillion, two hundred fifty billion, five hundred sixty-three million, forty-one thousand, five hundred three".