16351688243450 has 96 divisors (see below), whose sum is σ = 34810851748608. Its totient is φ = 5597936640000.

The previous prime is 16351688243413. The next prime is 16351688243479. The reversal of 16351688243450 is 5434288615361.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1703118650 + ... + 1703128250.

It is an arithmetic number, because the mean of its divisors is an integer number (362613039048).

Almost surely, 2^{16351688243450} is an apocalyptic number.

16351688243450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16351688243450 is an abundant number, since it is smaller than the sum of its proper divisors (18459163505158).

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

16351688243450 is a wasteful number, since it uses less digits than its factorization.

16351688243450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368 (or 16363 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 16351688243450 in words is "sixteen trillion, three hundred fifty-one billion, six hundred eighty-eight million, two hundred forty-three thousand, four hundred fifty".