162664633 has 2 divisors, whose sum is σ = 162664634. Its totient is φ = 162664632.

The previous prime is 162664631. The next prime is 162664661. The reversal of 162664633 is 336466261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145250704 + 17413929 = 12052^2 + 4173^2 .

It is a cyclic number.

It is not a de Polignac number, because 162664633 - 2¹ = 162664631 is a prime.

Together with 162664631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 162664592 and 162664601.

It is not a weakly prime, because it can be changed into another prime (162664631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81332316 + 81332317.

It is an arithmetic number, because the mean of its divisors is an integer number (81332317).

Almost surely, 2^162664633 is an apocalyptic number.

It is an amenable number.

162664633 is a deficient number, since it is larger than the sum of its proper divisors (1).

162664633 is an equidigital number, since it uses as much as digits as its factorization.

162664633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 162664633 is about 12754.0045867955. The cubic root of 162664633 is about 545.8806657761.

The spelling of 162664633 in words is "one hundred sixty-two million, six hundred sixty-four thousand, six hundred thirty-three".