16451503017440 has 48 divisors (see below), whose sum is σ = 38978683721712. Its totient is φ = 6561636916224.

The previous prime is 16451503017379. The next prime is 16451503017491. The reversal of 16451503017440 is 4471030515461.

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, 148102829 + ... + 148213868.

It is an arithmetic number, because the mean of its divisors is an integer number (812055910869).

Almost surely, 2^{16451503017440} is an apocalyptic number.

16451503017440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16451503017440 is an abundant number, since it is smaller than the sum of its proper divisors (22527180704272).

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

16451503017440 is a wasteful number, since it uses less digits than its factorization.

16451503017440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296317059 (or 296317051 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 16451503017440 in words is "sixteen trillion, four hundred fifty-one billion, five hundred three million, seventeen thousand, four hundred forty".