618486216 has 16 divisors (see below), whose sum is σ = 1546215600. Its totient is φ = 206162064.

The previous prime is 618486173. The next prime is 618486221. The reversal of 618486216 is 612684816.

618486216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12885106 + ... + 12885153.

It is an arithmetic number, because the mean of its divisors is an integer number (96638475).

Almost surely, 2^618486216 is an apocalyptic number.

It is an amenable number.

618486216 is an abundant number, since it is smaller than the sum of its proper divisors (927729384).

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

618486216 is a wasteful number, since it uses less digits than its factorization.

618486216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25770268 (or 25770264 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 618486216 is about 24869.3831045324. The cubic root of 618486216 is about 852.0073507708.

The spelling of 618486216 in words is "six hundred eighteen million, four hundred eighty-six thousand, two hundred sixteen".