603424005666 has 16 divisors (see below), whose sum is σ = 1206878089824. Its totient is φ = 201136322144.

The previous prime is 603424005643. The next prime is 603424005697. The reversal of 603424005666 is 666500424306.

It is a super-2 number, since 2×603424005666² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988155 + ... + 1477598.

It is an arithmetic number, because the mean of its divisors is an integer number (75429880614).

Almost surely, 2^603424005666 is an apocalyptic number.

603424005666 is an abundant number, since it is smaller than the sum of its proper divisors (603454084158).

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

603424005666 is a wasteful number, since it uses less digits than its factorization.

603424005666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506545.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 603424005666 in words is "six hundred three billion, four hundred twenty-four million, five thousand, six hundred sixty-six".