1601153216473 has 2 divisors, whose sum is σ = 1601153216474. Its totient is φ = 1601153216472.

The previous prime is 1601153216441. The next prime is 1601153216513. The reversal of 1601153216473 is 3746123511061.

It is a happy number.

It is an a-pointer prime, because the next prime (1601153216513) can be obtained adding 1601153216473 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1583663682969 + 17489533504 = 1258437^2 + 132248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601153216473 - 2⁵ = 1601153216441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601153256473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800576608236 + 800576608237.

It is an arithmetic number, because the mean of its divisors is an integer number (800576608237).

Almost surely, 2^{1601153216473} is an apocalyptic number.

It is an amenable number.

1601153216473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601153216473 is an equidigital number, since it uses as much as digits as its factorization.

1601153216473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 1601153216473 in words is "one trillion, six hundred one billion, one hundred fifty-three million, two hundred sixteen thousand, four hundred seventy-three".