64186246186228 has 12 divisors (see below), whose sum is σ = 112569587945892. Its totient is φ = 32023506773120.

The previous prime is 64186246186093. The next prime is 64186246186333. The reversal of 64186246186228 is 82268164268146.

It can be written as a sum of positive squares in 2 ways, for example, as 44811001586404 + 19375244599824 = 6694102^2 + 4401732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64186246186228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17404077925 + ... + 17404081612.

It is an arithmetic number, because the mean of its divisors is an integer number (9380798995491).

Almost surely, 2^{64186246186228} is an apocalyptic number.

It is an amenable number.

64186246186228 is a deficient number, since it is larger than the sum of its proper divisors (48383341759664).

64186246186228 is a wasteful number, since it uses less digits than its factorization.

64186246186228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34808160002 (or 34808160000 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 64.

The spelling of 64186246186228 in words is "sixty-four trillion, one hundred eighty-six billion, two hundred forty-six million, one hundred eighty-six thousand, two hundred twenty-eight".