16612656073 has 16 divisors (see below), whose sum is σ = 18432988560. Its totient is φ = 14876319744.

The previous prime is 16612656017. The next prime is 16612656107. The reversal of 16612656073 is 37065621661.

16612656073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9560464 + 16603095609 = 3092^2 + 128853^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16612656073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16612656773) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 74136 + ... + 196777.

It is an arithmetic number, because the mean of its divisors is an integer number (1152061785).

Almost surely, 2^16612656073 is an apocalyptic number.

16612656073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16612656073 is a deficient number, since it is larger than the sum of its proper divisors (1820332487).

16612656073 is a wasteful number, since it uses less digits than its factorization.

16612656073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271068.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 16612656073 in words is "sixteen billion, six hundred twelve million, six hundred fifty-six thousand, seventy-three".