6348150661 has 2 divisors, whose sum is σ = 6348150662. Its totient is φ = 6348150660.

The previous prime is 6348150619. The next prime is 6348150671. The reversal of 6348150661 is 1660518436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4151353761 + 2196796900 = 64431^2 + 46870^2 .

It is a cyclic number.

It is not a de Polignac number, because 6348150661 - 2⁷ = 6348150533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6348150671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3174075330 + 3174075331.

It is an arithmetic number, because the mean of its divisors is an integer number (3174075331).

Almost surely, 2^6348150661 is an apocalyptic number.

It is an amenable number.

6348150661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6348150661 is an equidigital number, since it uses as much as digits as its factorization.

6348150661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 6348150661 is about 79675.2826226553. The cubic root of 6348150661 is about 1851.6081134046.

The spelling of 6348150661 in words is "six billion, three hundred forty-eight million, one hundred fifty thousand, six hundred sixty-one".