48990659666 has 16 divisors (see below), whose sum is σ = 79150355928. Its totient is φ = 22607760000.

The previous prime is 48990659609. The next prime is 48990659677. The reversal of 48990659666 is 66695609984.

It can be written as a sum of positive squares in 4 ways, for example, as 25234911025 + 23755748641 = 158855^2 + 154129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48990659596 and 48990659605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47456 + ... + 316596.

Almost surely, 2^48990659666 is an apocalyptic number.

48990659666 is a deficient number, since it is larger than the sum of its proper divisors (30159696262).

48990659666 is a wasteful number, since it uses less digits than its factorization.

48990659666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276157.

The product of its (nonzero) digits is 151165440, while the sum is 68.

The spelling of 48990659666 in words is "forty-eight billion, nine hundred ninety million, six hundred fifty-nine thousand, six hundred sixty-six".