83633490655 has 32 divisors (see below), whose sum is σ = 118697140800. Its totient is φ = 55768673280.

The previous prime is 83633490653. The next prime is 83633490667. The reversal of 83633490655 is 55609433638.

It is a happy number.

It is not a de Polignac number, because 83633490655 - 2¹ = 83633490653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83633490653) 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 31 ways as a sum of consecutive naturals, for example, 285982 + ... + 499051.

It is an arithmetic number, because the mean of its divisors is an integer number (3709285650).

Almost surely, 2^83633490655 is an apocalyptic number.

83633490655 is a deficient number, since it is larger than the sum of its proper divisors (35063650145).

83633490655 is a wasteful number, since it uses less digits than its factorization.

83633490655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785211.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 83633490655 in words is "eighty-three billion, six hundred thirty-three million, four hundred ninety thousand, six hundred fifty-five".