666264024042 has 16 divisors (see below), whose sum is σ = 1332559152480. Its totient is φ = 222082823952.

The previous prime is 666264024037. The next prime is 666264024073. The reversal of 666264024042 is 240420462666.

666264024042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 666264023985 and 666264024003.

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, 1012792 + ... + 1535667.

It is an arithmetic number, because the mean of its divisors is an integer number (83284947030).

Almost surely, 2^666264024042 is an apocalyptic number.

666264024042 is an abundant number, since it is smaller than the sum of its proper divisors (666295128438).

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

666264024042 is a wasteful number, since it uses less digits than its factorization.

666264024042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592037.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 666264024042 in words is "six hundred sixty-six billion, two hundred sixty-four million, twenty-four thousand, forty-two".