216333653250500 has 24 divisors (see below), whose sum is σ = 472472698700184. Its totient is φ = 86533461300000.

The previous prime is 216333653250499. The next prime is 216333653250527. The reversal of 216333653250500 is 5052356333612.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102569029696 + 216231084220804 = 320264^2 + 14704798^2 .

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, 216333652751 + ... + 216333653750.

It is an arithmetic number, because the mean of its divisors is an integer number (19686362445841).

Almost surely, 2^{216333653250500} is an apocalyptic number.

216333653250500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216333653250500 is an abundant number, since it is smaller than the sum of its proper divisors (256139045449684).

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

216333653250500 is a wasteful number, since it uses less digits than its factorization.

216333653250500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432667306520 (or 432667306508 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 44.

The spelling of 216333653250500 in words is "two hundred sixteen trillion, three hundred thirty-three billion, six hundred fifty-three million, two hundred fifty thousand, five hundred".