65620118803 has 4 divisors (see below), whose sum is σ = 66410722728. Its totient is φ = 64829514880.

The previous prime is 65620118749. The next prime is 65620118807. The reversal of 65620118803 is 30881102656.

65620118803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65620118803 - 2¹⁷ = 65619987731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65620118807) 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, 395301838 + ... + 395302003.

It is an arithmetic number, because the mean of its divisors is an integer number (16602680682).

Almost surely, 2^65620118803 is an apocalyptic number.

65620118803 is a deficient number, since it is larger than the sum of its proper divisors (790603925).

65620118803 is an equidigital number, since it uses as much as digits as its factorization.

65620118803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790603924.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 65620118803 in words is "sixty-five billion, six hundred twenty million, one hundred eighteen thousand, eight hundred three".