82661063 has 2 divisors, whose sum is σ = 82661064. Its totient is φ = 82661062.

The previous prime is 82661053. The next prime is 82661081. The reversal of 82661063 is 36016628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82661063 - 2¹⁸ = 82398919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82661053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41330531 + 41330532.

It is an arithmetic number, because the mean of its divisors is an integer number (41330532).

Almost surely, 2^82661063 is an apocalyptic number.

82661063 is a deficient number, since it is larger than the sum of its proper divisors (1).

82661063 is an equidigital number, since it uses as much as digits as its factorization.

82661063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 82661063 is about 9091.8129655201. The cubic root of 82661063 is about 435.6124951760.

The spelling of 82661063 in words is "eighty-two million, six hundred sixty-one thousand, sixty-three".