36664701226081 has 2 divisors, whose sum is σ = 36664701226082. Its totient is φ = 36664701226080.

The previous prime is 36664701226063. The next prime is 36664701226093. The reversal of 36664701226081 is 18062210746663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36399260912400 + 265440313681 = 6033180^2 + 515209^2 .

It is a cyclic number.

It is not a de Polignac number, because 36664701226081 - 2¹⁵ = 36664701193313 is a prime.

It is a super-2 number, since 2×36664701226081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36664701226061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18332350613040 + 18332350613041.

It is an arithmetic number, because the mean of its divisors is an integer number (18332350613041).

Almost surely, 2^{36664701226081} is an apocalyptic number.

It is an amenable number.

36664701226081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36664701226081 is an equidigital number, since it uses as much as digits as its factorization.

36664701226081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 36664701226081 in words is "thirty-six trillion, six hundred sixty-four billion, seven hundred one million, two hundred twenty-six thousand, eighty-one".