162749553583 has 2 divisors, whose sum is σ = 162749553584. Its totient is φ = 162749553582.

The previous prime is 162749553523. The next prime is 162749553607. The reversal of 162749553583 is 385355947261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162749553583 - 2¹³ = 162749545391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162749553523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81374776791 + 81374776792.

It is an arithmetic number, because the mean of its divisors is an integer number (81374776792).

Almost surely, 2^162749553583 is an apocalyptic number.

162749553583 is a deficient number, since it is larger than the sum of its proper divisors (1).

162749553583 is an equidigital number, since it uses as much as digits as its factorization.

162749553583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 58.

The spelling of 162749553583 in words is "one hundred sixty-two billion, seven hundred forty-nine million, five hundred fifty-three thousand, five hundred eighty-three".