120416663 has 4 divisors (see below), whose sum is σ = 120538440. Its totient is φ = 120294888.

The previous prime is 120416651. The next prime is 120416683. The reversal of 120416663 is 366614021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120416663 - 2⁶ = 120416599 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 (120416633) 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, 59393 + ... + 61386.

It is an arithmetic number, because the mean of its divisors is an integer number (30134610).

Almost surely, 2^120416663 is an apocalyptic number.

120416663 is a deficient number, since it is larger than the sum of its proper divisors (121777).

120416663 is an equidigital number, since it uses as much as digits as its factorization.

120416663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121776.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 120416663 is about 10973.4526471845. The cubic root of 120416663 is about 493.8126328066.

The spelling of 120416663 in words is "one hundred twenty million, four hundred sixteen thousand, six hundred sixty-three".