16896623653 has 16 divisors (see below), whose sum is σ = 21700014336. Its totient is φ = 12787505280.

The previous prime is 16896623651. The next prime is 16896623683. The reversal of 16896623653 is 35632669861.

16896623653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16896623653 - 2¹ = 16896623651 is a prime.

It is a super-2 number, since 2×16896623653² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16896623594 and 16896623603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16896623651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4034368 + ... + 4038553.

It is an arithmetic number, because the mean of its divisors is an integer number (1356250896).

Almost surely, 2^16896623653 is an apocalyptic number.

16896623653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16896623653 is a deficient number, since it is larger than the sum of its proper divisors (4803390683).

16896623653 is a wasteful number, since it uses less digits than its factorization.

16896623653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072964.

The product of its digits is 8398080, while the sum is 55.

The spelling of 16896623653 in words is "sixteen billion, eight hundred ninety-six million, six hundred twenty-three thousand, six hundred fifty-three".