66001166050 has 24 divisors (see below), whose sum is σ = 122769262800. Its totient is φ = 26398940880.

The previous prime is 66001166041. The next prime is 66001166107. The reversal of 66001166050 is 5066110066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302081 + ... + 1351819.

It is an arithmetic number, because the mean of its divisors is an integer number (5115385950).

Almost surely, 2^66001166050 is an apocalyptic number.

66001166050 is a deficient number, since it is larger than the sum of its proper divisors (56768096750).

66001166050 is a wasteful number, since it uses less digits than its factorization.

66001166050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76290 (or 76285 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 66001166050 in words is "sixty-six billion, one million, one hundred sixty-six thousand, fifty".