216326049620 has 96 divisors (see below), whose sum is σ = 463903493760. Its totient is φ = 84721950720.

The previous prime is 216326049571. The next prime is 216326049749. The reversal of 216326049620 is 26940623612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87971951 + ... + 87974409.

It is an arithmetic number, because the mean of its divisors is an integer number (4832328060).

Almost surely, 2^216326049620 is an apocalyptic number.

216326049620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216326049620 is an abundant number, since it is smaller than the sum of its proper divisors (247577444140).

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

216326049620 is a wasteful number, since it uses less digits than its factorization.

216326049620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 216326049620 in words is "two hundred sixteen billion, three hundred twenty-six million, forty-nine thousand, six hundred twenty".