66206248 has 16 divisors (see below), whose sum is σ = 125236980. Its totient is φ = 32809728.

The previous prime is 66206233. The next prime is 66206263. The reversal of 66206248 is 84260266.

66206248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66206233) and next prime (66206263).

It can be written as a sum of positive squares in 2 ways, for example, as 59013124 + 7193124 = 7682^2 + 2682^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35715 + ... + 37522.

Almost surely, 2^66206248 is an apocalyptic number.

It is an amenable number.

66206248 is a deficient number, since it is larger than the sum of its proper divisors (59030732).

66206248 is a wasteful number, since it uses less digits than its factorization.

66206248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73356 (or 73352 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 66206248 is about 8136.7221901697. The cubic root of 66206248 is about 404.5445227479.

The spelling of 66206248 in words is "sixty-six million, two hundred six thousand, two hundred forty-eight".