1662345102107 has 2 divisors, whose sum is σ = 1662345102108. Its totient is φ = 1662345102106.

The previous prime is 1662345102053. The next prime is 1662345102127. The reversal of 1662345102107 is 7012015432661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1662345102107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1662345102127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831172551053 + 831172551054.

It is an arithmetic number, because the mean of its divisors is an integer number (831172551054).

Almost surely, 2^{1662345102107} is an apocalyptic number.

1662345102107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662345102107 is an equidigital number, since it uses as much as digits as its factorization.

1662345102107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 1662345102107 in words is "one trillion, six hundred sixty-two billion, three hundred forty-five million, one hundred two thousand, one hundred seven".