16803373653 has 48 divisors (see below), whose sum is σ = 27892800000. Its totient is φ = 9640542240.

The previous prime is 16803373651. The next prime is 16803373669. The reversal of 16803373653 is 35637330861.

It is not a de Polignac number, because 16803373653 - 2¹ = 16803373651 is a prime.

It is a super-2 number, since 2×16803373653² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16803373599 and 16803373608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16803373651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3358848 + ... + 3363846.

It is an arithmetic number, because the mean of its divisors is an integer number (581100000).

Almost surely, 2^16803373653 is an apocalyptic number.

It is an amenable number.

16803373653 is a deficient number, since it is larger than the sum of its proper divisors (11089426347).

16803373653 is a wasteful number, since it uses less digits than its factorization.

16803373653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822 (or 6819 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 16803373653 in words is "sixteen billion, eight hundred three million, three hundred seventy-three thousand, six hundred fifty-three".