672322165616467 has 4 divisors (see below), whose sum is σ = 672647115916080. Its totient is φ = 671997215316856.

The previous prime is 672322165616363. The next prime is 672322165616473. The reversal of 672322165616467 is 764616561223276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672322165616467 is a prime.

It is a super-4 number, since 4×672322165616467⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672322165616399 and 672322165616408.

It is not an unprimeable number, because it can be changed into a prime (672322165616267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162475146703 + ... + 162475150840.

It is an arithmetic number, because the mean of its divisors is an integer number (168161778979020).

Almost surely, 2^{672322165616467} is an apocalyptic number.

672322165616467 is a deficient number, since it is larger than the sum of its proper divisors (324950299613).

672322165616467 is a wasteful number, since it uses less digits than its factorization.

672322165616467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324950299612.

The product of its digits is 182891520, while the sum is 64.

The spelling of 672322165616467 in words is "six hundred seventy-two trillion, three hundred twenty-two billion, one hundred sixty-five million, six hundred sixteen thousand, four hundred sixty-seven".