66474233050 has 12 divisors (see below), whose sum is σ = 123642073566. Its totient is φ = 26589693200.

The previous prime is 66474233039. The next prime is 66474233053. The reversal of 66474233050 is 5033247466.

It can be written as a sum of positive squares in 3 ways, for example, as 58095942961 + 8378290089 = 241031^2 + 91533^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66474232994 and 66474233012.

It is not an unprimeable number, because it can be changed into a prime (66474233053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664742281 + ... + 664742380.

Almost surely, 2^66474233050 is an apocalyptic number.

66474233050 is a deficient number, since it is larger than the sum of its proper divisors (57167840516).

66474233050 is a wasteful number, since it uses less digits than its factorization.

66474233050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329484673 (or 1329484668 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 66474233050 in words is "sixty-six billion, four hundred seventy-four million, two hundred thirty-three thousand, fifty".