216464052 has 24 divisors (see below), whose sum is σ = 577237696. Its totient is φ = 61846848.

The previous prime is 216464047. The next prime is 216464057. The reversal of 216464052 is 250464612.

216464052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (216464047) and next prime (216464057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216464057) 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 in 7 ways as a sum of consecutive naturals, for example, 1288393 + ... + 1288560.

Almost surely, 2^216464052 is an apocalyptic number.

It is an amenable number.

216464052 is an abundant number, since it is smaller than the sum of its proper divisors (360773644).

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

216464052 is a wasteful number, since it uses less digits than its factorization.

216464052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576967 (or 2576965 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 216464052 is about 14712.7173560835. The cubic root of 216464052 is about 600.4293704395.

The spelling of 216464052 in words is "two hundred sixteen million, four hundred sixty-four thousand, fifty-two".