120665000663 has 8 divisors (see below), whose sum is σ = 121918072080. Its totient is φ = 119412115200.

The previous prime is 120665000647. The next prime is 120665000699. The reversal of 120665000663 is 366000566021.

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 120665000663 - 2⁴ = 120665000647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120665000263) 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, 1535888 + ... + 1612538.

It is an arithmetic number, because the mean of its divisors is an integer number (15239759010).

Almost surely, 2^120665000663 is an apocalyptic number.

120665000663 is a deficient number, since it is larger than the sum of its proper divisors (1253071417).

120665000663 is an equidigital number, since it uses as much as digits as its factorization.

120665000663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92977.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 120665000663 its reverse (366000566021), we get a palindrome (486665566684).

The spelling of 120665000663 in words is "one hundred twenty billion, six hundred sixty-five million, six hundred sixty-three", and thus it is an aban number.