216341504 has 22 divisors (see below), whose sum is σ = 432473784. Its totient is φ = 108170240.

The previous prime is 216341501. The next prime is 216341513. The reversal of 216341504 is 405143612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216341501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104612 + ... + 106659.

Almost surely, 2^216341504 is an apocalyptic number.

It is an amenable number.

216341504 is a deficient number, since it is larger than the sum of its proper divisors (216132280).

216341504 is an equidigital number, since it uses as much as digits as its factorization.

216341504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211291 (or 211273 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 216341504 is about 14708.5520701393. The cubic root of 216341504 is about 600.3160409084.

The spelling of 216341504 in words is "two hundred sixteen million, three hundred forty-one thousand, five hundred four".