65061121672206 has 48 divisors (see below), whose sum is σ = 159083620403760. Its totient is φ = 19035646882560.

The previous prime is 65061121672201. The next prime is 65061121672241. The reversal of 65061121672206 is 60227612116056.

65061121672206 is a `hidden beast` number, since 6 + 5 + 0 + 611 + 2 + 1 + 6 + 7 + 2 + 20 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65061121672201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5665365355 + ... + 5665376838.

It is an arithmetic number, because the mean of its divisors is an integer number (3314242091745).

Almost surely, 2^{65061121672206} is an apocalyptic number.

65061121672206 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65061121672206 is an abundant number, since it is smaller than the sum of its proper divisors (94022498731554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65061121672206 is a wasteful number, since it uses less digits than its factorization.

65061121672206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330742241 (or 11330742238 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 65061121672206 in words is "sixty-five trillion, sixty-one billion, one hundred twenty-one million, six hundred seventy-two thousand, two hundred six".