16720112351650 has 48 divisors (see below), whose sum is σ = 31127080667904. Its totient is φ = 6682095463680.

The previous prime is 16720112351603. The next prime is 16720112351717. The reversal of 16720112351650 is 5615321102761.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707478234 + ... + 707501866.

It is an arithmetic number, because the mean of its divisors is an integer number (648480847248).

Almost surely, 2^{16720112351650} is an apocalyptic number.

16720112351650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16720112351650 is a deficient number, since it is larger than the sum of its proper divisors (14406968316254).

16720112351650 is a wasteful number, since it uses less digits than its factorization.

16720112351650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35635 (or 35630 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 16720112351650 in words is "sixteen trillion, seven hundred twenty billion, one hundred twelve million, three hundred fifty-one thousand, six hundred fifty".