16665083253 has 48 divisors (see below), whose sum is σ = 29798321280. Its totient is φ = 8739487872.

The previous prime is 16665083177. The next prime is 16665083291. The reversal of 16665083253 is 35238056661.

It is not a de Polignac number, because 16665083253 - 2⁸ = 16665082997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16665083199 and 16665083208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16665083453) 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, 82878 + ... + 200496.

It is an arithmetic number, because the mean of its divisors is an integer number (620798360).

Almost surely, 2^16665083253 is an apocalyptic number.

16665083253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16665083253 is a deficient number, since it is larger than the sum of its proper divisors (13133238027).

16665083253 is a wasteful number, since it uses less digits than its factorization.

16665083253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117818 (or 117815 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 16665083253 in words is "sixteen billion, six hundred sixty-five million, eighty-three thousand, two hundred fifty-three".