673306585081 has 32 divisors (see below), whose sum is σ = 749276075520. Its totient is φ = 601111289856.

The previous prime is 673306585037. The next prime is 673306585103. The reversal of 673306585081 is 180585603376.

It is a cyclic number.

It is not a de Polignac number, because 673306585081 - 2²¹ = 673304487929 is a prime.

It is a super-2 number, since 2×673306585081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673306585001) 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, 170584950 + ... + 170588896.

It is an arithmetic number, because the mean of its divisors is an integer number (23414877360).

Almost surely, 2^673306585081 is an apocalyptic number.

It is an amenable number.

673306585081 is a deficient number, since it is larger than the sum of its proper divisors (75969490439).

673306585081 is a wasteful number, since it uses less digits than its factorization.

673306585081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 673306585081 in words is "six hundred seventy-three billion, three hundred six million, five hundred eighty-five thousand, eighty-one".