216541244414 has 16 divisors (see below), whose sum is σ = 354893034096. Its totient is φ = 98274278400.

The previous prime is 216541244407. The next prime is 216541244431. The reversal of 216541244414 is 414442145612.

It is a super-2 number, since 2×216541244414² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 7663577 + ... + 7691780.

It is an arithmetic number, because the mean of its divisors is an integer number (22180814631).

Almost surely, 2^216541244414 is an apocalyptic number.

216541244414 is a deficient number, since it is larger than the sum of its proper divisors (138351789682).

216541244414 is a wasteful number, since it uses less digits than its factorization.

216541244414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356011.

The product of its digits is 122880, while the sum is 38.

The spelling of 216541244414 in words is "two hundred sixteen billion, five hundred forty-one million, two hundred forty-four thousand, four hundred fourteen".