505202240666 has 32 divisors (see below), whose sum is σ = 803996928000. Its totient is φ = 237416020272.

The previous prime is 505202240659. The next prime is 505202240677. The reversal of 505202240666 is 666042202505.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7567565 + ... + 7634031.

It is an arithmetic number, because the mean of its divisors is an integer number (25124904000).

Almost surely, 2^505202240666 is an apocalyptic number.

505202240666 is a deficient number, since it is larger than the sum of its proper divisors (298794687334).

505202240666 is a wasteful number, since it uses less digits than its factorization.

505202240666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68066.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 505202240666 in words is "five hundred five billion, two hundred two million, two hundred forty thousand, six hundred sixty-six".