216601705210 has 16 divisors (see below), whose sum is σ = 425326984992. Its totient is φ = 78764256400.

The previous prime is 216601705183. The next prime is 216601705241. The reversal of 216601705210 is 12507106612.

It is a super-2 number, since 2×216601705210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984553096 + ... + 984553315.

It is an arithmetic number, because the mean of its divisors is an integer number (26582936562).

Almost surely, 2^216601705210 is an apocalyptic number.

216601705210 is a deficient number, since it is larger than the sum of its proper divisors (208725279782).

216601705210 is a wasteful number, since it uses less digits than its factorization.

216601705210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969106429.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 216601705210 in words is "two hundred sixteen billion, six hundred one million, seven hundred five thousand, two hundred ten".