403601640632066 has 32 divisors (see below), whose sum is σ = 652226339255040. Its totient is φ = 186693462570384.

The previous prime is 403601640632059. The next prime is 403601640632089. The reversal of 403601640632066 is 660236046106304.

It is a self number, because there is not a number n which added to its sum of digits gives 403601640632066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19012760 + ... + 34186083.

It is an arithmetic number, because the mean of its divisors is an integer number (20382073101720).

Almost surely, 2^{403601640632066} is an apocalyptic number.

403601640632066 is a deficient number, since it is larger than the sum of its proper divisors (248624698622974).

403601640632066 is a wasteful number, since it uses less digits than its factorization.

403601640632066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53203550.

The product of its (nonzero) digits is 2239488, while the sum is 47.

The spelling of 403601640632066 in words is "four hundred three trillion, six hundred one billion, six hundred forty million, six hundred thirty-two thousand, sixty-six".