52186860681 has 8 divisors (see below), whose sum is σ = 70299826464. Its totient is φ = 34432567680.

The previous prime is 52186860673. The next prime is 52186860703. The reversal of 52186860681 is 18606868125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52186860681 - 2³ = 52186860673 is a prime.

It is a super-2 number, since 2×52186860681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52186860601) 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, 89667855 + ... + 89668436.

It is an arithmetic number, because the mean of its divisors is an integer number (8787478308).

Almost surely, 2^52186860681 is an apocalyptic number.

It is an amenable number.

52186860681 is a deficient number, since it is larger than the sum of its proper divisors (18112965783).

52186860681 is a wasteful number, since it uses less digits than its factorization.

52186860681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179336391.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 52186860681 in words is "fifty-two billion, one hundred eighty-six million, eight hundred sixty thousand, six hundred eighty-one".