16851833500240 has 40 divisors (see below), whose sum is σ = 39183760971648. Its totient is φ = 6740174590080.

The previous prime is 16851833500217. The next prime is 16851833500241. The reversal of 16851833500240 is 4200533815861.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×16851833500240² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16851833500241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7759692 + ... + 9691051.

Almost surely, 2^{16851833500240} is an apocalyptic number.

16851833500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16851833500240 is an abundant number, since it is smaller than the sum of its proper divisors (22331927471408).

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

16851833500240 is a wasteful number, since it uses less digits than its factorization.

16851833500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17462827 (or 17462821 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 16851833500240 in words is "sixteen trillion, eight hundred fifty-one billion, eight hundred thirty-three million, five hundred thousand, two hundred forty".