3651203161 has 2 divisors, whose sum is σ = 3651203162. Its totient is φ = 3651203160.

The previous prime is 3651203111. The next prime is 3651203183. The reversal of 3651203161 is 1613021563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3533589136 + 117614025 = 59444^2 + 10845^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651203161 - 2¹³ = 3651194969 is a prime.

It is not a weakly prime, because it can be changed into another prime (3651203111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825601580 + 1825601581.

It is an arithmetic number, because the mean of its divisors is an integer number (1825601581).

Almost surely, 2^3651203161 is an apocalyptic number.

It is an amenable number.

3651203161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651203161 is an equidigital number, since it uses as much as digits as its factorization.

3651203161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3651203161 is about 60425.1864788186. The cubic root of 3651203161 is about 1539.8508824243.

The spelling of 3651203161 in words is "three billion, six hundred fifty-one million, two hundred three thousand, one hundred sixty-one".