86181566126 has 16 divisors (see below), whose sum is σ = 130848891264. Its totient is φ = 42565420344.

The previous prime is 86181566101. The next prime is 86181566131. The reversal of 86181566126 is 62166518168.

It is a super-2 number, since 2×86181566126² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234775 + ... + 1302701.

It is an arithmetic number, because the mean of its divisors is an integer number (8178055704).

Almost surely, 2^86181566126 is an apocalyptic number.

86181566126 is a deficient number, since it is larger than the sum of its proper divisors (44667325138).

86181566126 is a wasteful number, since it uses less digits than its factorization.

86181566126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75655.

The product of its digits is 829440, while the sum is 50.

The spelling of 86181566126 in words is "eighty-six billion, one hundred eighty-one million, five hundred sixty-six thousand, one hundred twenty-six".