66050028 has 108 divisors (see below), whose sum is σ = 187354440. Its totient is φ = 19599360.

The previous prime is 66050027. The next prime is 66050041. The reversal of 66050028 is 82005066.

It is a junction number, because it is equal to n+sod(n) for n = 66049983 and 66050010.

It is not an unprimeable number, because it can be changed into a prime (66050027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256876 + ... + 257132.

Almost surely, 2^66050028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66050028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93677220).

66050028 is an abundant number, since it is smaller than the sum of its proper divisors (121304412).

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

66050028 is a wasteful number, since it uses less digits than its factorization.

66050028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 66050028 is about 8127.1168319398. The cubic root of 66050028 is about 404.2260849381.

The spelling of 66050028 in words is "sixty-six million, fifty thousand, twenty-eight".