65556151572206 has 16 divisors (see below), whose sum is σ = 98489729651568. Its totient is φ = 32726248473600.

The previous prime is 65556151572199. The next prime is 65556151572209. The reversal of 65556151572206 is 60227515165556.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65556151572209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17722286 + ... + 21099566.

It is an arithmetic number, because the mean of its divisors is an integer number (6155608103223).

Almost surely, 2^{65556151572206} is an apocalyptic number.

65556151572206 is a deficient number, since it is larger than the sum of its proper divisors (32933578079362).

65556151572206 is a wasteful number, since it uses less digits than its factorization.

65556151572206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392627.

The product of its (nonzero) digits is 18900000, while the sum is 56.

The spelling of 65556151572206 in words is "sixty-five trillion, five hundred fifty-six billion, one hundred fifty-one million, five hundred seventy-two thousand, two hundred six".