2066625064 has 32 divisors (see below), whose sum is σ = 4531475520. Its totient is φ = 865097856.

The previous prime is 2066625023. The next prime is 2066625089. The reversal of 2066625064 is 4605266602.

It is a happy number.

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, 426709 + ... + 431524.

It is an arithmetic number, because the mean of its divisors is an integer number (141608610).

Almost surely, 2^2066625064 is an apocalyptic number.

It is an amenable number.

2066625064 is an abundant number, since it is smaller than the sum of its proper divisors (2464850456).

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

2066625064 is a wasteful number, since it uses less digits than its factorization.

2066625064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858289 (or 858285 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2066625064 is about 45460.1480859885. The cubic root of 2066625064 is about 1273.7588976815.

The spelling of 2066625064 in words is "two billion, sixty-six million, six hundred twenty-five thousand, sixty-four".