6212550161 has 2 divisors, whose sum is σ = 6212550162. Its totient is φ = 6212550160.

The previous prime is 6212550109. The next prime is 6212550167. The reversal of 6212550161 is 1610552126.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5192067136 + 1020483025 = 72056^2 + 31945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6212550161 is a prime.

It is a super-2 number, since 2×6212550161² = 77191559005882251842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6212550167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106275080 + 3106275081.

It is an arithmetic number, because the mean of its divisors is an integer number (3106275081).

Almost surely, 2^6212550161 is an apocalyptic number.

It is an amenable number.

6212550161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6212550161 is an equidigital number, since it uses as much as digits as its factorization.

6212550161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 6212550161 is about 78819.7320535918. The cubic root of 6212550161 is about 1838.3292727556.

The spelling of 6212550161 in words is "six billion, two hundred twelve million, five hundred fifty thousand, one hundred sixty-one".