16853233797440 has 56 divisors (see below), whose sum is σ = 40506826267872. Its totient is φ = 6678290762240.

The previous prime is 16853233797431. The next prime is 16853233797461. The reversal of 16853233797440 is 4479733235861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246070226 + ... + 246138705.

It is a 1-persistent number, because it is pandigital, but 2⋅16853233797440 = 33706467594880 is not.

Almost surely, 2^{16853233797440} is an apocalyptic number.

16853233797440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16853233797440 is an abundant number, since it is smaller than the sum of its proper divisors (23653592470432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16853233797440 is a wasteful number, since it uses less digits than its factorization.

16853233797440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492209055 (or 492209045 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 62.

The spelling of 16853233797440 in words is "sixteen trillion, eight hundred fifty-three billion, two hundred thirty-three million, seven hundred ninety-seven thousand, four hundred forty".