16602120085 has 16 divisors (see below), whose sum is σ = 20088539136. Its totient is φ = 13171128768.

The previous prime is 16602120077. The next prime is 16602120103. The reversal of 16602120085 is 58002120661.

It is a cyclic number.

It is not a de Polignac number, because 16602120085 - 2³ = 16602120077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847814 + ... + 1856776.

It is an arithmetic number, because the mean of its divisors is an integer number (1255533696).

Almost surely, 2^16602120085 is an apocalyptic number.

It is an amenable number.

16602120085 is a deficient number, since it is larger than the sum of its proper divisors (3486419051).

16602120085 is a wasteful number, since it uses less digits than its factorization.

16602120085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 16602120085 in words is "sixteen billion, six hundred two million, one hundred twenty thousand, eighty-five".