216255062655726 has 16 divisors (see below), whose sum is σ = 435163561665024. Its totient is φ = 71642781492984.

The previous prime is 216255062655647. The next prime is 216255062655739. The reversal of 216255062655726 is 627556260552612.

It is a happy number.

216255062655726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216255062655726.

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, 110559847006 + ... + 110559848961.

It is an arithmetic number, because the mean of its divisors is an integer number (27197722604064).

Almost surely, 2^{216255062655726} is an apocalyptic number.

216255062655726 is an abundant number, since it is smaller than the sum of its proper divisors (218908499009298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216255062655726 is a wasteful number, since it uses less digits than its factorization.

216255062655726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221119696135.

The product of its (nonzero) digits is 90720000, while the sum is 60.

The spelling of 216255062655726 in words is "two hundred sixteen trillion, two hundred fifty-five billion, sixty-two million, six hundred fifty-five thousand, seven hundred twenty-six".