162401633 has 2 divisors, whose sum is σ = 162401634. Its totient is φ = 162401632.

The previous prime is 162401611. The next prime is 162401639. The reversal of 162401633 is 336104261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161976529 + 425104 = 12727^2 + 652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162401633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (162401639) 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, 81200816 + 81200817.

It is an arithmetic number, because the mean of its divisors is an integer number (81200817).

Almost surely, 2^162401633 is an apocalyptic number.

It is an amenable number.

162401633 is a deficient number, since it is larger than the sum of its proper divisors (1).

162401633 is an equidigital number, since it uses as much as digits as its factorization.

162401633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 162401633 is about 12743.6899287451. The cubic root of 162401633 is about 545.5863095169.

Adding to 162401633 its reverse (336104261), we get a palindrome (498505894).

The spelling of 162401633 in words is "one hundred sixty-two million, four hundred one thousand, six hundred thirty-three".