65166650516 has 24 divisors (see below), whose sum is σ = 124478829216. Its totient is φ = 29604593120.

The previous prime is 65166650503. The next prime is 65166650611. The reversal of 65166650516 is 61505666156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335771 + ... + 493026.

It is an arithmetic number, because the mean of its divisors is an integer number (5186617884).

Almost surely, 2^65166650516 is an apocalyptic number.

It is an amenable number.

65166650516 is a deficient number, since it is larger than the sum of its proper divisors (59312178700).

65166650516 is a wasteful number, since it uses less digits than its factorization.

65166650516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830599 (or 830597 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 65166650516 in words is "sixty-five billion, one hundred sixty-six million, six hundred fifty thousand, five hundred sixteen".