1966603896 has 48 divisors (see below), whose sum is σ = 5328367200. Its totient is φ = 655270272.

The previous prime is 1966603889. The next prime is 1966603907. The reversal of 1966603896 is 6983066691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267745 + ... + 274991.

It is an arithmetic number, because the mean of its divisors is an integer number (111007650).

Almost surely, 2^1966603896 is an apocalyptic number.

It is an amenable number.

1966603896 is an abundant number, since it is smaller than the sum of its proper divisors (3361763304).

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

1966603896 is a wasteful number, since it uses less digits than its factorization.

1966603896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11028 (or 11021 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 1966603896 is about 44346.4079266856. The cubic root of 1966603896 is about 1252.8689082682.

The spelling of 1966603896 in words is "one billion, nine hundred sixty-six million, six hundred three thousand, eight hundred ninety-six".