66050055912 has 16 divisors (see below), whose sum is σ = 165125139840. Its totient is φ = 22016685296.

The previous prime is 66050055887. The next prime is 66050055941. The reversal of 66050055912 is 21955005066.

It is a super-3 number, since 3×66050055912³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376042808 + ... + 1376042855.

It is an arithmetic number, because the mean of its divisors is an integer number (10320321240).

Almost surely, 2^66050055912 is an apocalyptic number.

It is an amenable number.

66050055912 is an abundant number, since it is smaller than the sum of its proper divisors (99075083928).

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

66050055912 is a wasteful number, since it uses less digits than its factorization.

66050055912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752085672 (or 2752085668 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 66050055912 in words is "sixty-six billion, fifty million, fifty-five thousand, nine hundred twelve".