672310116500821 has 32 divisors (see below), whose sum is σ = 717411826077696. Its totient is φ = 627844439040000.

The previous prime is 672310116500801. The next prime is 672310116500831. The reversal of 672310116500821 is 128005611013276.

672310116500821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 672310116500821 - 2¹¹ = 672310116498773 is a prime.

It is a super-2 number, since 2×672310116500821² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672310116500801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2056138896 + ... + 2056465846.

It is an arithmetic number, because the mean of its divisors is an integer number (22419119564928).

Almost surely, 2^{672310116500821} is an apocalyptic number.

It is an amenable number.

672310116500821 is a deficient number, since it is larger than the sum of its proper divisors (45101709576875).

672310116500821 is a wasteful number, since it uses less digits than its factorization.

672310116500821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328773.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 672310116500821 in words is "six hundred seventy-two trillion, three hundred ten billion, one hundred sixteen million, five hundred thousand, eight hundred twenty-one".