665362200016 has 20 divisors (see below), whose sum is σ = 1310989082400. Its totient is φ = 327042436832.

The previous prime is 665362200011. The next prime is 665362200023. The reversal of 665362200016 is 610002263566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665362200011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352415476 + ... + 352417363.

It is an arithmetic number, because the mean of its divisors is an integer number (65549454120).

Almost surely, 2^665362200016 is an apocalyptic number.

It is an amenable number.

665362200016 is a deficient number, since it is larger than the sum of its proper divisors (645626882384).

665362200016 is a wasteful number, since it uses less digits than its factorization.

665362200016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704832906 (or 704832900 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 665362200016 in words is "six hundred sixty-five billion, three hundred sixty-two million, two hundred thousand, sixteen".