52166666125 has 32 divisors (see below), whose sum is σ = 74815872768. Its totient is φ = 35573688000.

The previous prime is 52166666117. The next prime is 52166666129.

52166666125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52166666125 - 2³ = 52166666117 is a prime.

It is a super-2 number, since 2×52166666125² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166666129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6319 + ... + 323068.

It is an arithmetic number, because the mean of its divisors is an integer number (2337996024).

Almost surely, 2^52166666125 is an apocalyptic number.

It is an amenable number.

52166666125 is a deficient number, since it is larger than the sum of its proper divisors (22649206643).

52166666125 is a wasteful number, since it uses less digits than its factorization.

52166666125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329590 (or 329580 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 52166666125 in words is "fifty-two billion, one hundred sixty-six million, six hundred sixty-six thousand, one hundred twenty-five".