216245054 has 8 divisors (see below), whose sum is σ = 335552760. Its totient is φ = 104394136.

The previous prime is 216245021. The next prime is 216245063. The reversal of 216245054 is 450542612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 1864124 + ... + 1864239.

It is an arithmetic number, because the mean of its divisors is an integer number (41944095).

Almost surely, 2^216245054 is an apocalyptic number.

216245054 is a deficient number, since it is larger than the sum of its proper divisors (119307706).

216245054 is a wasteful number, since it uses less digits than its factorization.

216245054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728394.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 216245054 is about 14705.2729998460. The cubic root of 216245054 is about 600.2268160985.

Adding to 216245054 its reverse (450542612), we get a palindrome (666787666).

The spelling of 216245054 in words is "two hundred sixteen million, two hundred forty-five thousand, fifty-four".