665030322542 has 8 divisors (see below), whose sum is σ = 997833220056. Its totient is φ = 332419249192.

The previous prime is 665030322493. The next prime is 665030322617. The reversal of 665030322542 is 245223030566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 665030322496 and 665030322505.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 47947373 + ... + 47961240.

It is an arithmetic number, because the mean of its divisors is an integer number (124729152507).

Almost surely, 2^665030322542 is an apocalyptic number.

665030322542 is a deficient number, since it is larger than the sum of its proper divisors (332802897514).

665030322542 is a wasteful number, since it uses less digits than its factorization.

665030322542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95912082.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 665030322542 in words is "six hundred sixty-five billion, thirty million, three hundred twenty-two thousand, five hundred forty-two".