66480894294 has 16 divisors (see below), whose sum is σ = 133069990320. Its totient is φ = 22142264480.

The previous prime is 66480894289. The next prime is 66480894301. The reversal of 66480894294 is 49249808466.

It is a super-2 number, since 2×66480894294² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500417 + ... + 4515164.

It is an arithmetic number, because the mean of its divisors is an integer number (8316874395).

Almost surely, 2^66480894294 is an apocalyptic number.

66480894294 is an abundant number, since it is smaller than the sum of its proper divisors (66589096026).

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

66480894294 is a wasteful number, since it uses less digits than its factorization.

66480894294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016815.

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 66480894294 in words is "sixty-six billion, four hundred eighty million, eight hundred ninety-four thousand, two hundred ninety-four".