36661217252401 has 8 divisors (see below), whose sum is σ = 41898797388224. Its totient is φ = 31423702962960.

The previous prime is 36661217252393. The next prime is 36661217252557. The reversal of 36661217252401 is 10425271216663.

36661217252401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36661217252401 - 2³ = 36661217252393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36661217250401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15262695 + ... + 17500636.

It is an arithmetic number, because the mean of its divisors is an integer number (5237349673528).

Almost surely, 2^{36661217252401} is an apocalyptic number.

It is an amenable number.

36661217252401 is a deficient number, since it is larger than the sum of its proper divisors (5237580135823).

36661217252401 is a wasteful number, since it uses less digits than its factorization.

36661217252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32923191.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 36661217252401 in words is "thirty-six trillion, six hundred sixty-one billion, two hundred seventeen million, two hundred fifty-two thousand, four hundred one".