164872443203 has 12 divisors (see below), whose sum is σ = 178545933720. Its totient is φ = 152176804416.

The previous prime is 164872443163. The next prime is 164872443317. The reversal of 164872443203 is 302344278461.

It is not a de Polignac number, because 164872443203 - 2²⁶ = 164805334339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164872446203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2306975 + ... + 2377367.

It is an arithmetic number, because the mean of its divisors is an integer number (14878827810).

Almost surely, 2^164872443203 is an apocalyptic number.

164872443203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164872443203 is a deficient number, since it is larger than the sum of its proper divisors (13673490517).

164872443203 is a wasteful number, since it uses less digits than its factorization.

164872443203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84278 (or 84265 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 164872443203 in words is "one hundred sixty-four billion, eight hundred seventy-two million, four hundred forty-three thousand, two hundred three".