216001052 has 6 divisors (see below), whose sum is σ = 378001848. Its totient is φ = 108000524.

The previous prime is 216001021. The next prime is 216001057. The reversal of 216001052 is 250100612.

It is a self number, because there is not a number n which added to its sum of digits gives 216001052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216001057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27000128 + ... + 27000135.

It is an arithmetic number, because the mean of its divisors is an integer number (63000308).

Almost surely, 2^216001052 is an apocalyptic number.

It is an amenable number.

216001052 is a deficient number, since it is larger than the sum of its proper divisors (162000796).

216001052 is a wasteful number, since it uses less digits than its factorization.

216001052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54000267 (or 54000265 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 216001052 is about 14696.9742464223. The cubic root of 216001052 is about 600.0009740725. Note that the first 3 decimals are identical.

Adding to 216001052 its reverse (250100612), we get a palindrome (466101664).

The spelling of 216001052 in words is "two hundred sixteen million, one thousand, fifty-two".