673533126655 has 32 divisors (see below), whose sum is σ = 868491892224. Its totient is φ = 500206202496.

The previous prime is 673533126631. The next prime is 673533126667. The reversal of 673533126655 is 556621335376.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673533126655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342592 + ... + 1210138.

It is an arithmetic number, because the mean of its divisors is an integer number (27140371632).

Almost surely, 2^673533126655 is an apocalyptic number.

673533126655 is a deficient number, since it is larger than the sum of its proper divisors (194958765569).

673533126655 is a wasteful number, since it uses less digits than its factorization.

673533126655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867775.

The product of its digits is 10206000, while the sum is 52.

The spelling of 673533126655 in words is "six hundred seventy-three billion, five hundred thirty-three million, one hundred twenty-six thousand, six hundred fifty-five".