366136961 has 2 divisors, whose sum is σ = 366136962. Its totient is φ = 366136960.

The previous prime is 366136943. The next prime is 366136993. The reversal of 366136961 is 169631663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357399025 + 8737936 = 18905^2 + 2956^2 .

It is an emirp because it is prime and its reverse (169631663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366136961 - 2¹⁴ = 366120577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (366136261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183068480 + 183068481.

It is an arithmetic number, because the mean of its divisors is an integer number (183068481).

Almost surely, 2^366136961 is an apocalyptic number.

It is an amenable number.

366136961 is a deficient number, since it is larger than the sum of its proper divisors (1).

366136961 is an equidigital number, since it uses as much as digits as its factorization.

366136961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 366136961 is about 19134.7056679741. The cubic root of 366136961 is about 715.3982237294.

The spelling of 366136961 in words is "three hundred sixty-six million, one hundred thirty-six thousand, nine hundred sixty-one".