8216141501 has 2 divisors, whose sum is σ = 8216141502. Its totient is φ = 8216141500.

The previous prime is 8216141491. The next prime is 8216141509. The reversal of 8216141501 is 1051416128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5412544900 + 2803596601 = 73570^2 + 52949^2 .

It is a cyclic number.

It is not a de Polignac number, because 8216141501 - 2¹⁴ = 8216125117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8216141509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108070750 + 4108070751.

It is an arithmetic number, because the mean of its divisors is an integer number (4108070751).

Almost surely, 2^8216141501 is an apocalyptic number.

It is an amenable number.

8216141501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8216141501 is an equidigital number, since it uses as much as digits as its factorization.

8216141501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 8216141501 is about 90642.9340930665. The cubic root of 8216141501 is about 2017.8519712041.

Adding to 8216141501 its reverse (1051416128), we get a palindrome (9267557629).

The spelling of 8216141501 in words is "eight billion, two hundred sixteen million, one hundred forty-one thousand, five hundred one".