162042637 has 2 divisors, whose sum is σ = 162042638. Its totient is φ = 162042636.

The previous prime is 162042581. The next prime is 162042653. The reversal of 162042637 is 736240261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104571076 + 57471561 = 10226^2 + 7581^2 .

It is a cyclic number.

It is not a de Polignac number, because 162042637 - 2¹⁹ = 161518349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162042599 and 162042608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162042037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81021318 + 81021319.

It is an arithmetic number, because the mean of its divisors is an integer number (81021319).

Almost surely, 2^162042637 is an apocalyptic number.

It is an amenable number.

162042637 is a deficient number, since it is larger than the sum of its proper divisors (1).

162042637 is an equidigital number, since it uses as much as digits as its factorization.

162042637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 162042637 is about 12729.5968907110. The cubic root of 162042637 is about 545.1839986982.

Adding to 162042637 its reverse (736240261), we get a palindrome (898282898).

The spelling of 162042637 in words is "one hundred sixty-two million, forty-two thousand, six hundred thirty-seven".