65280033073266 has 32 divisors (see below), whose sum is σ = 142431369807168. Its totient is φ = 19781521712640.

The previous prime is 65280033073261. The next prime is 65280033073303. The reversal of 65280033073266 is 66237033008256.

It is a super-2 number, since 2×65280033073266² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65280033073261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351955 + ... + 11907798.

It is an arithmetic number, because the mean of its divisors is an integer number (4450980306474).

Almost surely, 2^{65280033073266} is an apocalyptic number.

65280033073266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65280033073266 is an abundant number, since it is smaller than the sum of its proper divisors (77151336733902).

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

65280033073266 is a wasteful number, since it uses less digits than its factorization.

65280033073266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324586.

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 65280033073266 in words is "sixty-five trillion, two hundred eighty billion, thirty-three million, seventy-three thousand, two hundred sixty-six".