216101372 has 12 divisors (see below), whose sum is σ = 390376896. Its totient is φ = 104565120.

The previous prime is 216101363. The next prime is 216101381. The reversal of 216101372 is 273101612.

It is an interprime number because it is at equal distance from previous prime (216101363) and next prime (216101381).

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, 871253 + ... + 871500.

It is an arithmetic number, because the mean of its divisors is an integer number (32531408).

Almost surely, 2^216101372 is an apocalyptic number.

It is an amenable number.

216101372 is a deficient number, since it is larger than the sum of its proper divisors (174275524).

216101372 is a wasteful number, since it uses less digits than its factorization.

216101372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742788 (or 1742786 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 216101372 is about 14700.3867976322. The cubic root of 216101372 is about 600.0938482830.

Adding to 216101372 its reverse (273101612), we get a palindrome (489202984).

The spelling of 216101372 in words is "two hundred sixteen million, one hundred one thousand, three hundred seventy-two".