216874541 has 8 divisors (see below), whose sum is σ = 236847744. Its totient is φ = 197371440.

The previous prime is 216874523. The next prime is 216874547. The reversal of 216874541 is 145478612.

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

It is a cyclic number.

It is not a de Polignac number, because 216874541 - 2⁶ = 216874477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216874495 and 216874504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216874547) 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, 116561 + ... + 118406.

It is an arithmetic number, because the mean of its divisors is an integer number (29605968).

Almost surely, 2^216874541 is an apocalyptic number.

It is an amenable number.

216874541 is a deficient number, since it is larger than the sum of its proper divisors (19973203).

216874541 is a wasteful number, since it uses less digits than its factorization.

216874541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235051.

The product of its digits is 53760, while the sum is 38.

The square root of 216874541 is about 14726.6608910506. The cubic root of 216874541 is about 600.8086697842.

The spelling of 216874541 in words is "two hundred sixteen million, eight hundred seventy-four thousand, five hundred forty-one".