665777423228614 has 8 divisors (see below), whose sum is σ = 1003894753350528. Its totient is φ = 331145838778440.

The previous prime is 665777423228597. The next prime is 665777423228717. The reversal of 665777423228614 is 416822324777566.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871436417457 + ... + 871436418220.

It is an arithmetic number, because the mean of its divisors is an integer number (125486844168816).

Almost surely, 2^{665777423228614} is an apocalyptic number.

665777423228614 is a deficient number, since it is larger than the sum of its proper divisors (338117330121914).

665777423228614 is a wasteful number, since it uses less digits than its factorization.

665777423228614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742872835870.

The product of its digits is 1137991680, while the sum is 70.

The spelling of 665777423228614 in words is "six hundred sixty-five trillion, seven hundred seventy-seven billion, four hundred twenty-three million, two hundred twenty-eight thousand, six hundred fourteen".