86146018 has 48 divisors (see below), whose sum is σ = 156608640. Its totient is φ = 35409696.

The previous prime is 86146009. The next prime is 86146033. The reversal of 86146018 is 81064168.

It is a super-2 number, since 2×86146018² = 14842272834512648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271596 + ... + 271912.

It is an arithmetic number, because the mean of its divisors is an integer number (3262680).

Almost surely, 2^86146018 is an apocalyptic number.

86146018 is a deficient number, since it is larger than the sum of its proper divisors (70462622).

86146018 is a wasteful number, since it uses less digits than its factorization.

86146018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 86146018 is about 9281.4879195095. The cubic root of 86146018 is about 441.6501705638.

It can be divided in two parts, 8 and 6146018, that multiplied together give a square (49168144 = 7012²).

The spelling of 86146018 in words is "eighty-six million, one hundred forty-six thousand, eighteen".