16716120645 has 64 divisors (see below), whose sum is σ = 31154618880. Its totient is φ = 7496064000.

The previous prime is 16716120611. The next prime is 16716120667. The reversal of 16716120645 is 54602161761.

16716120645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16716120645 - 2¹⁴ = 16716104261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1148715 + ... + 1163175.

It is an arithmetic number, because the mean of its divisors is an integer number (486790920).

Almost surely, 2^16716120645 is an apocalyptic number.

16716120645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16716120645 is a deficient number, since it is larger than the sum of its proper divisors (14438498235).

16716120645 is a wasteful number, since it uses less digits than its factorization.

16716120645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14686.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 16716120645 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty thousand, six hundred forty-five".