672052116503 has 4 divisors (see below), whose sum is σ = 672056048328. Its totient is φ = 672048184680.

The previous prime is 672052116487. The next prime is 672052116559. The reversal of 672052116503 is 305611250276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672052116503 - 2⁴ = 672052116487 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 (672052119503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697288 + ... + 2055453.

It is an arithmetic number, because the mean of its divisors is an integer number (168014012082).

Almost surely, 2^672052116503 is an apocalyptic number.

672052116503 is a deficient number, since it is larger than the sum of its proper divisors (3931825).

672052116503 is a wasteful number, since it uses less digits than its factorization.

672052116503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931824.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 672052116503 its reverse (305611250276), we get a palindrome (977663366779).

The spelling of 672052116503 in words is "six hundred seventy-two billion, fifty-two million, one hundred sixteen thousand, five hundred three".