162982661 has 2 divisors, whose sum is σ = 162982662. Its totient is φ = 162982660.

The previous prime is 162982637. The next prime is 162982693. The reversal of 162982661 is 166289261.

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., 93993025 + 68989636 = 9695^2 + 8306^2 .

It is an emirp because it is prime and its reverse (166289261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162982661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162982861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81491330 + 81491331.

It is an arithmetic number, because the mean of its divisors is an integer number (81491331).

Almost surely, 2^162982661 is an apocalyptic number.

It is an amenable number.

162982661 is a deficient number, since it is larger than the sum of its proper divisors (1).

162982661 is an equidigital number, since it uses as much as digits as its factorization.

162982661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 162982661 is about 12766.4662690973. The cubic root of 162982661 is about 546.2361872693.

The spelling of 162982661 in words is "one hundred sixty-two million, nine hundred eighty-two thousand, six hundred sixty-one".