1662345102053 has 2 divisors, whose sum is σ = 1662345102054. Its totient is φ = 1662345102052.

The previous prime is 1662345102007. The next prime is 1662345102107. The reversal of 1662345102053 is 3502015432661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1657908609604 + 4436492449 = 1287598^2 + 66607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1662345102053 - 2²⁸ = 1662076666597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1662345101998 and 1662345102016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662345602053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831172551026 + 831172551027.

It is an arithmetic number, because the mean of its divisors is an integer number (831172551027).

Almost surely, 2^{1662345102053} is an apocalyptic number.

It is an amenable number.

1662345102053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662345102053 is an equidigital number, since it uses as much as digits as its factorization.

1662345102053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1662345102053 in words is "one trillion, six hundred sixty-two billion, three hundred forty-five million, one hundred two thousand, fifty-three".