36323651620661 has 4 divisors (see below), whose sum is σ = 36397630545024. Its totient is φ = 36249672696300.

The previous prime is 36323651620657. The next prime is 36323651620679. The reversal of 36323651620661 is 16602615632363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36323651620661 - 2² = 36323651620657 is a prime.

It is a super-3 number, since 3×36323651620661³ (a number of 42 digits) contains 333 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 (36323651620681) 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, 36989461445 + ... + 36989462426.

It is an arithmetic number, because the mean of its divisors is an integer number (9099407636256).

Almost surely, 2^{36323651620661} is an apocalyptic number.

It is an amenable number.

36323651620661 is a deficient number, since it is larger than the sum of its proper divisors (73978924363).

36323651620661 is an equidigital number, since it uses as much as digits as its factorization.

36323651620661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73978924362.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 36323651620661 in words is "thirty-six trillion, three hundred twenty-three billion, six hundred fifty-one million, six hundred twenty thousand, six hundred sixty-one".