666071540062 has 16 divisors (see below), whose sum is σ = 1011427074000. Its totient is φ = 328931422912.

The previous prime is 666071540053. The next prime is 666071540119. The reversal of 666071540062 is 260045170666.

It is a happy number.

666071540062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 38064 + ... + 1154812.

It is an arithmetic number, because the mean of its divisors is an integer number (63214192125).

Almost surely, 2^666071540062 is an apocalyptic number.

666071540062 is a deficient number, since it is larger than the sum of its proper divisors (345355533938).

666071540062 is a wasteful number, since it uses less digits than its factorization.

666071540062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120427.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 666071540062 in words is "six hundred sixty-six billion, seventy-one million, five hundred forty thousand, sixty-two".