1662162323 has 2 divisors, whose sum is σ = 1662162324. Its totient is φ = 1662162322.

The previous prime is 1662162283. The next prime is 1662162329. The reversal of 1662162323 is 3232612661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1662162323 - 2⁶ = 1662162259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1662162323.

It is not a weakly prime, because it can be changed into another prime (1662162329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831081161 + 831081162.

It is an arithmetic number, because the mean of its divisors is an integer number (831081162).

Almost surely, 2^1662162323 is an apocalyptic number.

1662162323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662162323 is an equidigital number, since it uses as much as digits as its factorization.

1662162323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 1662162323 is about 40769.6250044074. The cubic root of 1662162323 is about 1184.5620398447.

Adding to 1662162323 its reverse (3232612661), we get a palindrome (4894774984).

The spelling of 1662162323 in words is "one billion, six hundred sixty-two million, one hundred sixty-two thousand, three hundred twenty-three".