66220253062 has 16 divisors (see below), whose sum is σ = 100934699760. Its totient is φ = 32576547168.

The previous prime is 66220253027. The next prime is 66220253081. The reversal of 66220253062 is 26035202266.

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, 186973 + ... + 409144.

It is an arithmetic number, because the mean of its divisors is an integer number (6308418735).

Almost surely, 2^66220253062 is an apocalyptic number.

66220253062 is a deficient number, since it is larger than the sum of its proper divisors (34714446698).

66220253062 is a wasteful number, since it uses less digits than its factorization.

66220253062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597015.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 66220253062 in words is "sixty-six billion, two hundred twenty million, two hundred fifty-three thousand, sixty-two".