665470028116 has 12 divisors (see below), whose sum is σ = 1164735271840. Its totient is φ = 332688521880.

The previous prime is 665470028011. The next prime is 665470028117. The reversal of 665470028116 is 611820074566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665470028117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11590830 + ... + 11648101.

Almost surely, 2^665470028116 is an apocalyptic number.

It is an amenable number.

665470028116 is a deficient number, since it is larger than the sum of its proper divisors (499265243724).

665470028116 is a wasteful number, since it uses less digits than its factorization.

665470028116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23246094 (or 23246092 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 665470028116 in words is "six hundred sixty-five billion, four hundred seventy million, twenty-eight thousand, one hundred sixteen".