49603055666 has 16 divisors (see below), whose sum is σ = 76228167960. Its totient is φ = 24193806720.

The previous prime is 49603055659. The next prime is 49603055669. The reversal of 49603055666 is 66655030694.

It can be written as a sum of positive squares in 4 ways, for example, as 21203728225 + 28399327441 = 145615^2 + 168521^2 .

It is not an unprimeable number, because it can be changed into a prime (49603055669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795620 + ... + 855696.

Almost surely, 2^49603055666 is an apocalyptic number.

49603055666 is a deficient number, since it is larger than the sum of its proper divisors (26625112294).

49603055666 is a wasteful number, since it uses less digits than its factorization.

49603055666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70189.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 49603055666 in words is "forty-nine billion, six hundred three million, fifty-five thousand, six hundred sixty-six".