65033392866 has 32 divisors (see below), whose sum is σ = 148311451008. Its totient is φ = 18833199360.

The previous prime is 65033392861. The next prime is 65033392909. The reversal of 65033392866 is 66829333056.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (65033392861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24521070 + ... + 24523721.

It is an arithmetic number, because the mean of its divisors is an integer number (4634732844).

Almost surely, 2^65033392866 is an apocalyptic number.

65033392866 is an abundant number, since it is smaller than the sum of its proper divisors (83278058142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65033392866 is a wasteful number, since it uses less digits than its factorization.

65033392866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49044826.

The product of its (nonzero) digits is 4199040, while the sum is 51.

The spelling of 65033392866 in words is "sixty-five billion, thirty-three million, three hundred ninety-two thousand, eight hundred sixty-six".