1966603852 has 24 divisors (see below), whose sum is σ = 3462782400. Its totient is φ = 977254656.

The previous prime is 1966603829. The next prime is 1966603853. The reversal of 1966603852 is 2583066691.

It is not an unprimeable number, because it can be changed into a prime (1966603853) 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, 565174 + ... + 568642.

It is an arithmetic number, because the mean of its divisors is an integer number (144282600).

Almost surely, 2^1966603852 is an apocalyptic number.

It is an amenable number.

1966603852 is a deficient number, since it is larger than the sum of its proper divisors (1496178548).

1966603852 is a wasteful number, since it uses less digits than its factorization.

1966603852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1966603852 is about 44346.4074305913. The cubic root of 1966603852 is about 1252.8688989245.

The spelling of 1966603852 in words is "one billion, nine hundred sixty-six million, six hundred three thousand, eight hundred fifty-two".