363663346500661 has 8 divisors (see below), whose sum is σ = 364040685106560. Its totient is φ = 363286010509968.

The previous prime is 363663346500593. The next prime is 363663346500673. The reversal of 363663346500661 is 166005643366363.

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

It is a cyclic number.

It is not a de Polignac number, because 363663346500661 - 2⁹ = 363663346500149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 363663346500596 and 363663346500605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363663346500061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413474415 + ... + 414353011.

It is an arithmetic number, because the mean of its divisors is an integer number (45505085638320).

Almost surely, 2^{363663346500661} is an apocalyptic number.

It is an amenable number.

363663346500661 is a deficient number, since it is larger than the sum of its proper divisors (377338605899).

363663346500661 is an equidigital number, since it uses as much as digits as its factorization.

363663346500661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307603.

The product of its (nonzero) digits is 75582720, while the sum is 58.

The spelling of 363663346500661 in words is "three hundred sixty-three trillion, six hundred sixty-three billion, three hundred forty-six million, five hundred thousand, six hundred sixty-one".