1662101533 has 2 divisors, whose sum is σ = 1662101534. Its totient is φ = 1662101532.

The previous prime is 1662101521. The next prime is 1662101537. The reversal of 1662101533 is 3351012661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1566022329 + 96079204 = 39573^2 + 9802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1662101533 - 2²⁹ = 1125230621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662101537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831050766 + 831050767.

It is an arithmetic number, because the mean of its divisors is an integer number (831050767).

Almost surely, 2^1662101533 is an apocalyptic number.

It is an amenable number.

1662101533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662101533 is an equidigital number, since it uses as much as digits as its factorization.

1662101533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1662101533 is about 40768.8794670641. The cubic root of 1662101533 is about 1184.5475987352.

The spelling of 1662101533 in words is "one billion, six hundred sixty-two million, one hundred one thousand, five hundred thirty-three".