216260534 has 8 divisors (see below), whose sum is σ = 370732368. Its totient is φ = 92683080.

The previous prime is 216260497. The next prime is 216260549. The reversal of 216260534 is 435062612.

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

It is a junction number, because it is equal to n+sod(n) for n = 216260497 and 216260506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7723577 + ... + 7723604.

It is an arithmetic number, because the mean of its divisors is an integer number (46341546).

Almost surely, 2^216260534 is an apocalyptic number.

216260534 is a deficient number, since it is larger than the sum of its proper divisors (154471834).

216260534 is a wasteful number, since it uses less digits than its factorization.

216260534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447190.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 216260534 is about 14705.7993322362. The cubic root of 216260534 is about 600.2411382594.

The spelling of 216260534 in words is "two hundred sixteen million, two hundred sixty thousand, five hundred thirty-four".