162036649 has 2 divisors, whose sum is σ = 162036650. Its totient is φ = 162036648.

The previous prime is 162036647. The next prime is 162036661. The reversal of 162036649 is 946630261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155625625 + 6411024 = 12475^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 162036649 - 2¹ = 162036647 is a prime.

Together with 162036647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (162036647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81018324 + 81018325.

It is an arithmetic number, because the mean of its divisors is an integer number (81018325).

Almost surely, 2^162036649 is an apocalyptic number.

It is an amenable number.

162036649 is a deficient number, since it is larger than the sum of its proper divisors (1).

162036649 is an equidigital number, since it uses as much as digits as its factorization.

162036649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 162036649 is about 12729.3616886315. The cubic root of 162036649 is about 545.1772831776.

The spelling of 162036649 in words is "one hundred sixty-two million, thirty-six thousand, six hundred forty-nine".