16610205345 has 16 divisors (see below), whose sum is σ = 26820150720. Its totient is φ = 8777502144.

The previous prime is 16610205323. The next prime is 16610205347. The reversal of 16610205345 is 54350201661.

It is not a de Polignac number, because 16610205345 - 2⁷ = 16610205217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16610205347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5077939 + ... + 5081208.

It is an arithmetic number, because the mean of its divisors is an integer number (1676259420).

Almost surely, 2^16610205345 is an apocalyptic number.

16610205345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16610205345 is a deficient number, since it is larger than the sum of its proper divisors (10209945375).

16610205345 is a wasteful number, since it uses less digits than its factorization.

16610205345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10159264.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 16610205345 in words is "sixteen billion, six hundred ten million, two hundred five thousand, three hundred forty-five".