216150677 has 2 divisors, whose sum is σ = 216150678. Its totient is φ = 216150676.

The previous prime is 216150667. The next prime is 216150709. The reversal of 216150677 is 776051612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158785201 + 57365476 = 12601^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 216150677 - 2⁴ = 216150661 is a prime.

It is a super-2 number, since 2×216150677² = 93442230335116658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216150607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108075338 + 108075339.

It is an arithmetic number, because the mean of its divisors is an integer number (108075339).

Almost surely, 2^216150677 is an apocalyptic number.

It is an amenable number.

216150677 is a deficient number, since it is larger than the sum of its proper divisors (1).

216150677 is an equidigital number, since it uses as much as digits as its factorization.

216150677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 216150677 is about 14702.0636986785. The cubic root of 216150677 is about 600.1394833122.

The spelling of 216150677 in words is "two hundred sixteen million, one hundred fifty thousand, six hundred seventy-seven".