2066634128 has 40 divisors (see below), whose sum is σ = 4382828856. Its totient is φ = 938188800.

The previous prime is 2066634113. The next prime is 2066634139. The reversal of 2066634128 is 8214366602.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 2063703184 = 1712^2 + 45428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2066634091 and 2066634100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68753 + ... + 94128.

Almost surely, 2^2066634128 is an apocalyptic number.

It is an amenable number.

2066634128 is an abundant number, since it is smaller than the sum of its proper divisors (2316194728).

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

2066634128 is a wasteful number, since it uses less digits than its factorization.

2066634128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162963 (or 162957 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2066634128 is about 45460.2477775914. The cubic root of 2066634128 is about 1273.7607598696.

The spelling of 2066634128 in words is "two billion, sixty-six million, six hundred thirty-four thousand, one hundred twenty-eight".