603966636660 has 24 divisors (see below), whose sum is σ = 1691106582816. Its totient is φ = 161057769760.

The previous prime is 603966636659. The next prime is 603966636667. The reversal of 603966636660 is 66636669306.

603966636660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 603966636660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603966636667) 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, 5033055246 + ... + 5033055365.

It is an arithmetic number, because the mean of its divisors is an integer number (70462774284).

Almost surely, 2^603966636660 is an apocalyptic number.

603966636660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

603966636660 is an abundant number, since it is smaller than the sum of its proper divisors (1087139946156).

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

603966636660 is a wasteful number, since it uses less digits than its factorization.

603966636660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066110623 (or 10066110621 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 57.

The spelling of 603966636660 in words is "six hundred three billion, nine hundred sixty-six million, six hundred thirty-six thousand, six hundred sixty".