216150577 has 2 divisors, whose sum is σ = 216150578. Its totient is φ = 216150576.

The previous prime is 216150553. The next prime is 216150607. The reversal of 216150577 is 775051612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158860816 + 57289761 = 12604^2 + 7569^2 .

It is a cyclic number.

It is not a de Polignac number, because 216150577 - 2⁷ = 216150449 is a prime.

It is not a weakly prime, because it can be changed into another prime (216150677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108075288 + 108075289.

It is an arithmetic number, because the mean of its divisors is an integer number (108075289).

Almost surely, 2^216150577 is an apocalyptic number.

It is an amenable number.

216150577 is a deficient number, since it is larger than the sum of its proper divisors (1).

216150577 is an equidigital number, since it uses as much as digits as its factorization.

216150577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 216150577 is about 14702.0602977950. The cubic root of 216150577 is about 600.1393907627.

The spelling of 216150577 in words is "two hundred sixteen million, one hundred fifty thousand, five hundred seventy-seven".