16610650019 has 16 divisors (see below), whose sum is σ = 17421270240. Its totient is φ = 15821360640.

The previous prime is 16610649973. The next prime is 16610650031. The reversal of 16610650019 is 91005601661.

It is a cyclic number.

It is not a de Polignac number, because 16610650019 - 2⁸ = 16610649763 is a prime.

It is a super-2 number, since 2×16610650019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16610650619) 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, 510317 + ... + 541889.

It is an arithmetic number, because the mean of its divisors is an integer number (1088829390).

Almost surely, 2^16610650019 is an apocalyptic number.

16610650019 is a deficient number, since it is larger than the sum of its proper divisors (810620221).

16610650019 is a wasteful number, since it uses less digits than its factorization.

16610650019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31910.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 16610650019 in words is "sixteen billion, six hundred ten million, six hundred fifty thousand, nineteen".