172672443203 has 16 divisors (see below), whose sum is σ = 193176189696. Its totient is φ = 153265806720.

The previous prime is 172672443187. The next prime is 172672443233. The reversal of 172672443203 is 302344276271.

It is not a de Polignac number, because 172672443203 - 2⁴ = 172672443187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172672443233) 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, 1301276 + ... + 1427817.

It is an arithmetic number, because the mean of its divisors is an integer number (12073511856).

Almost surely, 2^172672443203 is an apocalyptic number.

172672443203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172672443203 is a deficient number, since it is larger than the sum of its proper divisors (20503746493).

172672443203 is a wasteful number, since it uses less digits than its factorization.

172672443203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729294.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 172672443203 in words is "one hundred seventy-two billion, six hundred seventy-two million, four hundred forty-three thousand, two hundred three".