16721055710 has 8 divisors (see below), whose sum is σ = 30097900296. Its totient is φ = 6688422280.

The previous prime is 16721055667. The next prime is 16721055719. The reversal of 16721055710 is 1755012761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16721055719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836052776 + ... + 836052795.

It is an arithmetic number, because the mean of its divisors is an integer number (3762237537).

Almost surely, 2^16721055710 is an apocalyptic number.

16721055710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16721055710 is a deficient number, since it is larger than the sum of its proper divisors (13376844586).

16721055710 is a wasteful number, since it uses less digits than its factorization.

16721055710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672105578.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 16721055710 in words is "sixteen billion, seven hundred twenty-one million, fifty-five thousand, seven hundred ten".