610101216 has 72 divisors (see below), whose sum is σ = 1741600224. Its totient is φ = 202590720.

The previous prime is 610101187. The next prime is 610101221. The reversal of 610101216 is 612101016.

610101216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74140 + ... + 81956.

It is an arithmetic number, because the mean of its divisors is an integer number (24188892).

Almost surely, 2^610101216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610101216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870800112).

610101216 is an abundant number, since it is smaller than the sum of its proper divisors (1131499008).

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

610101216 is a wasteful number, since it uses less digits than its factorization.

610101216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 610101216 is about 24700.2270434909. The cubic root of 610101216 is about 848.1395136544.

It can be divided in two parts, 61010 and 1216, that added together give a palindrome (62226).

The spelling of 610101216 in words is "six hundred ten million, one hundred one thousand, two hundred sixteen".