665452416115 has 8 divisors (see below), whose sum is σ = 815533174080. Its totient is φ = 521035083072.

The previous prime is 665452416067. The next prime is 665452416121. The reversal of 665452416115 is 511614254566.

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

It is a cyclic number.

It is not a de Polignac number, because 665452416115 - 2⁹ = 665452415603 is a prime.

It is a super-2 number, since 2×665452416115² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415855970 + ... + 1415856439.

It is an arithmetic number, because the mean of its divisors is an integer number (101941646760).

Almost surely, 2^665452416115 is an apocalyptic number.

665452416115 is a deficient number, since it is larger than the sum of its proper divisors (150080757965).

665452416115 is a wasteful number, since it uses less digits than its factorization.

665452416115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831712461.

The product of its digits is 864000, while the sum is 46.

The spelling of 665452416115 in words is "six hundred sixty-five billion, four hundred fifty-two million, four hundred sixteen thousand, one hundred fifteen".