7346665121 has 2 divisors, whose sum is σ = 7346665122. Its totient is φ = 7346665120.

The previous prime is 7346665099. The next prime is 7346665127. The reversal of 7346665121 is 1215666437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7333524496 + 13140625 = 85636^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346665121 - 2⁶ = 7346665057 is a prime.

It is not a weakly prime, because it can be changed into another prime (7346665127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673332560 + 3673332561.

It is an arithmetic number, because the mean of its divisors is an integer number (3673332561).

Almost surely, 2^7346665121 is an apocalyptic number.

It is an amenable number.

7346665121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346665121 is an equidigital number, since it uses as much as digits as its factorization.

7346665121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 7346665121 is about 85712.6893814446. The cubic root of 7346665121 is about 1944.0021818896.

The spelling of 7346665121 in words is "seven billion, three hundred forty-six million, six hundred sixty-five thousand, one hundred twenty-one".