9120345663 has 32 divisors (see below), whose sum is σ = 14311906560. Its totient is φ = 5093187840.

The previous prime is 9120345659. The next prime is 9120345677. The reversal of 9120345663 is 3665430219.

It is not a de Polignac number, because 9120345663 - 2² = 9120345659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120345613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225420 + ... + 262782.

It is an arithmetic number, because the mean of its divisors is an integer number (447247080).

Almost surely, 2^9120345663 is an apocalyptic number.

9120345663 is a deficient number, since it is larger than the sum of its proper divisors (5191560897).

9120345663 is a wasteful number, since it uses less digits than its factorization.

9120345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37959.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 9120345663 is about 95500.5008520898. The cubic root of 9120345663 is about 2089.3142491265.

The spelling of 9120345663 in words is "nine billion, one hundred twenty million, three hundred forty-five thousand, six hundred sixty-three".