9207006328661 has 2 divisors, whose sum is σ = 9207006328662. Its totient is φ = 9207006328660.

The previous prime is 9207006328633. The next prime is 9207006328753. The reversal of 9207006328661 is 1668236007029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8857802154436 + 349204174225 = 2976206^2 + 590935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9207006328661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9207006328361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4603503164330 + 4603503164331.

It is an arithmetic number, because the mean of its divisors is an integer number (4603503164331).

Almost surely, 2^{9207006328661} is an apocalyptic number.

It is an amenable number.

9207006328661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9207006328661 is an equidigital number, since it uses as much as digits as its factorization.

9207006328661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 9207006328661 in words is "nine trillion, two hundred seven billion, six million, three hundred twenty-eight thousand, six hundred sixty-one".