65566151107 has 16 divisors (see below), whose sum is σ = 66955659264. Its totient is φ = 64191204000.

The previous prime is 65566151099. The next prime is 65566151111. The reversal of 65566151107 is 70115166556.

It is a cyclic number.

It is not a de Polignac number, because 65566151107 - 2³ = 65566151099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65566151177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5978473 + ... + 5989429.

It is an arithmetic number, because the mean of its divisors is an integer number (4184728704).

Almost surely, 2^65566151107 is an apocalyptic number.

65566151107 is a deficient number, since it is larger than the sum of its proper divisors (1389508157).

65566151107 is a wasteful number, since it uses less digits than its factorization.

65566151107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 65566151107 in words is "sixty-five billion, five hundred sixty-six million, one hundred fifty-one thousand, one hundred seven".