6650226091 has 2 divisors, whose sum is σ = 6650226092. Its totient is φ = 6650226090.

The previous prime is 6650226053. The next prime is 6650226137. The reversal of 6650226091 is 1906220566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6650226091 - 2¹⁵ = 6650193323 is a prime.

It is a super-2 number, since 2×6650226091² = 88451014122834280562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6650226091.

It is not a weakly prime, because it can be changed into another prime (6650226001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325113045 + 3325113046.

It is an arithmetic number, because the mean of its divisors is an integer number (3325113046).

Almost surely, 2^6650226091 is an apocalyptic number.

6650226091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650226091 is an equidigital number, since it uses as much as digits as its factorization.

6650226091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6650226091 is about 81548.9183925820. The cubic root of 6650226091 is about 1880.5236668380.

The spelling of 6650226091 in words is "six billion, six hundred fifty million, two hundred twenty-six thousand, ninety-one".