216346017724 has 12 divisors (see below), whose sum is σ = 378609720048. Its totient is φ = 108171812000.

The previous prime is 216346017697. The next prime is 216346017739. The reversal of 216346017724 is 427710643612.

216346017724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200064 + ... + 687544.

It is an arithmetic number, because the mean of its divisors is an integer number (31550810004).

Almost surely, 2^216346017724 is an apocalyptic number.

It is an amenable number.

216346017724 is a deficient number, since it is larger than the sum of its proper divisors (162263702324).

216346017724 is a wasteful number, since it uses less digits than its factorization.

216346017724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598436 (or 598434 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 216346017724 in words is "two hundred sixteen billion, three hundred forty-six million, seventeen thousand, seven hundred twenty-four".