216054486 has 16 divisors (see below), whose sum is σ = 480121200. Its totient is φ = 72018144.

The previous prime is 216054481. The next prime is 216054533. The reversal of 216054486 is 684450612.

216054486 is a `hidden beast` number, since 2 + 1 + 605 + 4 + 48 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 216054486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216054481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000451 + ... + 2000558.

It is an arithmetic number, because the mean of its divisors is an integer number (30007575).

Almost surely, 2^216054486 is an apocalyptic number.

216054486 is an abundant number, since it is smaller than the sum of its proper divisors (264066714).

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

216054486 is a wasteful number, since it uses less digits than its factorization.

216054486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001020 (or 4001014 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 216054486 is about 14698.7919911808. The cubic root of 216054486 is about 600.0504457586.

The spelling of 216054486 in words is "two hundred sixteen million, fifty-four thousand, four hundred eighty-six".