216072107 has 2 divisors, whose sum is σ = 216072108. Its totient is φ = 216072106.

The previous prime is 216072089. The next prime is 216072133. The reversal of 216072107 is 701270612.

It is an a-pointer prime, because the next prime (216072133) can be obtained adding 216072107 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216072107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (216072167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108036053 + 108036054.

It is an arithmetic number, because the mean of its divisors is an integer number (108036054).

Almost surely, 2^216072107 is an apocalyptic number.

216072107 is a deficient number, since it is larger than the sum of its proper divisors (1).

216072107 is an equidigital number, since it uses as much as digits as its factorization.

216072107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 216072107 is about 14699.3913819586. The cubic root of 216072107 is about 600.0667583127.

The spelling of 216072107 in words is "two hundred sixteen million, seventy-two thousand, one hundred seven".