162426631 has 2 divisors, whose sum is σ = 162426632. Its totient is φ = 162426630.

The previous prime is 162426613. The next prime is 162426647. The reversal of 162426631 is 136624261.

Together with previous prime (162426613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (136624261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162426631 - 2⁹ = 162426119 is a prime.

It is a super-2 number, since 2×162426631² = 52764820916020322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162426593 and 162426602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162426661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81213315 + 81213316.

It is an arithmetic number, because the mean of its divisors is an integer number (81213316).

Almost surely, 2^162426631 is an apocalyptic number.

162426631 is a deficient number, since it is larger than the sum of its proper divisors (1).

162426631 is an equidigital number, since it uses as much as digits as its factorization.

162426631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 162426631 is about 12744.6706901355. The cubic root of 162426631 is about 545.6143015729.

The spelling of 162426631 in words is "one hundred sixty-two million, four hundred twenty-six thousand, six hundred thirty-one".