162331601 has 2 divisors, whose sum is σ = 162331602. Its totient is φ = 162331600.

The previous prime is 162331583. The next prime is 162331607. The reversal of 162331601 is 106133261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100300225 + 62031376 = 10015^2 + 7876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162331601 is a prime.

It is not a weakly prime, because it can be changed into another prime (162331607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81165800 + 81165801.

It is an arithmetic number, because the mean of its divisors is an integer number (81165801).

Almost surely, 2^162331601 is an apocalyptic number.

It is an amenable number.

162331601 is a deficient number, since it is larger than the sum of its proper divisors (1).

162331601 is an equidigital number, since it uses as much as digits as its factorization.

162331601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 162331601 is about 12740.9419196541. The cubic root of 162331601 is about 545.5078743574.

Adding to 162331601 its reverse (106133261), we get a palindrome (268464862).

The spelling of 162331601 in words is "one hundred sixty-two million, three hundred thirty-one thousand, six hundred one".