366770981 has 2 divisors, whose sum is σ = 366770982. Its totient is φ = 366770980.

The previous prime is 366770977. The next prime is 366771007. The reversal of 366770981 is 189077663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361342081 + 5428900 = 19009^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 366770981 - 2² = 366770977 is a prime.

It is a super-2 number, since 2×366770981² = 269041905007404722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366770681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183385490 + 183385491.

It is an arithmetic number, because the mean of its divisors is an integer number (183385491).

Almost surely, 2^366770981 is an apocalyptic number.

It is an amenable number.

366770981 is a deficient number, since it is larger than the sum of its proper divisors (1).

366770981 is an equidigital number, since it uses as much as digits as its factorization.

366770981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 366770981 is about 19151.2657806214. The cubic root of 366770981 is about 715.8109246856.

The spelling of 366770981 in words is "three hundred sixty-six million, seven hundred seventy thousand, nine hundred eighty-one".