216122205651060 has 48 divisors (see below), whose sum is σ = 624662891177472. Its totient is φ = 55773472425600.

The previous prime is 216122205651049. The next prime is 216122205651061. The reversal of 216122205651060 is 60156502221612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216122205651061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58097365251 + ... + 58097368970.

It is an arithmetic number, because the mean of its divisors is an integer number (13013810232864).

Almost surely, 2^{216122205651060} is an apocalyptic number.

216122205651060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216122205651060 is an abundant number, since it is smaller than the sum of its proper divisors (408540685526412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216122205651060 is a wasteful number, since it uses less digits than its factorization.

216122205651060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116194734264 (or 116194734262 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 216122205651060 its reverse (60156502221612), we get a palindrome (276278707872672).

The spelling of 216122205651060 in words is "two hundred sixteen trillion, one hundred twenty-two billion, two hundred five million, six hundred fifty-one thousand, sixty".