8152161999893 has 2 divisors, whose sum is σ = 8152161999894. Its totient is φ = 8152161999892.

The previous prime is 8152161999829. The next prime is 8152161999979. The reversal of 8152161999893 is 3989991612518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6419524207684 + 1732637792209 = 2533678^2 + 1316297^2 .

It is a cyclic number.

It is not a de Polignac number, because 8152161999893 - 2⁶ = 8152161999829 is a prime.

It is a super-2 number, since 2×8152161999893² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8152161999803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076080999946 + 4076080999947.

It is an arithmetic number, because the mean of its divisors is an integer number (4076080999947).

Almost surely, 2^{8152161999893} is an apocalyptic number.

It is an amenable number.

8152161999893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8152161999893 is an equidigital number, since it uses as much as digits as its factorization.

8152161999893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 71.

The spelling of 8152161999893 in words is "eight trillion, one hundred fifty-two billion, one hundred sixty-one million, nine hundred ninety-nine thousand, eight hundred ninety-three".