216101530 has 16 divisors (see below), whose sum is σ = 391954464. Its totient is φ = 85780240.

The previous prime is 216101513. The next prime is 216101581. The reversal of 216101530 is 35101612.

216101530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216101498 and 216101507.

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, 81172 + ... + 83791.

It is an arithmetic number, because the mean of its divisors is an integer number (24497154).

Almost surely, 2^216101530 is an apocalyptic number.

216101530 is a deficient number, since it is larger than the sum of its proper divisors (175852934).

216101530 is a wasteful number, since it uses less digits than its factorization.

216101530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165101.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 216101530 is about 14700.3921716395. The cubic root of 216101530 is about 600.0939945335.

The spelling of 216101530 in words is "two hundred sixteen million, one hundred one thousand, five hundred thirty".