36660062120261 has 4 divisors (see below), whose sum is σ = 36660486311724. Its totient is φ = 36659637928800.

The previous prime is 36660062120221. The next prime is 36660062120309. The reversal of 36660062120261 is 16202126006663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8570221120036 + 28089841000225 = 2927494^2 + 5299985^2 .

It is a cyclic number.

It is not a de Polignac number, because 36660062120261 - 2³⁴ = 36642882251077 is a prime.

It is a super-2 number, since 2×36660062120261² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36660062120221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211966070 + ... + 212138951.

It is an arithmetic number, because the mean of its divisors is an integer number (9165121577931).

Almost surely, 2^{36660062120261} is an apocalyptic number.

It is an amenable number.

36660062120261 is a deficient number, since it is larger than the sum of its proper divisors (424191463).

36660062120261 is an equidigital number, since it uses as much as digits as its factorization.

36660062120261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424191462.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 36660062120261 in words is "thirty-six trillion, six hundred sixty billion, sixty-two million, one hundred twenty thousand, two hundred sixty-one".