80403061653 has 24 divisors (see below), whose sum is σ = 122982350400. Its totient is φ = 50476785984.

The previous prime is 80403061561. The next prime is 80403061667. The reversal of 80403061653 is 35616030408.

80403061653 is a `hidden beast` number, since 8 + 0 + 4 + 0 + 30 + 616 + 5 + 3 = 666.

It is not a de Polignac number, because 80403061653 - 2⁸ = 80403061397 is a prime.

It is a super-3 number, since 3×80403061653³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80403061553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379208 + ... + 1436321.

It is an arithmetic number, because the mean of its divisors is an integer number (5124264600).

Almost surely, 2^80403061653 is an apocalyptic number.

It is an amenable number.

80403061653 is a deficient number, since it is larger than the sum of its proper divisors (42579288747).

80403061653 is a wasteful number, since it uses less digits than its factorization.

80403061653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815721 (or 2815718 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 80403061653 in words is "eighty billion, four hundred three million, sixty-one thousand, six hundred fifty-three".