216046564 has 24 divisors (see below), whose sum is σ = 392652288. Its totient is φ = 103902720.

The previous prime is 216046547. The next prime is 216046583. The reversal of 216046564 is 465640612.

216046564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216046564² = 93352235632412192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15492 + ... + 25924.

It is an arithmetic number, because the mean of its divisors is an integer number (16360512).

Almost surely, 2^216046564 is an apocalyptic number.

It is an amenable number.

216046564 is a deficient number, since it is larger than the sum of its proper divisors (176605724).

216046564 is a wasteful number, since it uses less digits than its factorization.

216046564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 216046564 is about 14698.5225107832. The cubic root of 216046564 is about 600.0431117170.

The spelling of 216046564 in words is "two hundred sixteen million, forty-six thousand, five hundred sixty-four".