216100032 has 56 divisors (see below), whose sum is σ = 573024000. Its totient is φ = 71874816.

The previous prime is 216099953. The next prime is 216100037. The reversal of 216100032 is 230001612.

It is a junction number, because it is equal to n+sod(n) for n = 216099984 and 216100020.

It is not an unprimeable number, because it can be changed into a prime (216100037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114069 + ... + 115947.

Almost surely, 2^216100032 is an apocalyptic number.

It is an amenable number.

216100032 is an abundant number, since it is smaller than the sum of its proper divisors (356923968).

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

216100032 is a wasteful number, since it uses less digits than its factorization.

216100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 216100032 is about 14700.3412205295. The cubic root of 216100032 is about 600.0926079278.

Adding to 216100032 its reverse (230001612), we get a palindrome (446101644).

The spelling of 216100032 in words is "two hundred sixteen million, one hundred thousand, thirty-two".