4166856195620 has 12 divisors (see below), whose sum is σ = 8750398010844. Its totient is φ = 1666742478240.

The previous prime is 4166856195613. The next prime is 4166856195631. The reversal of 4166856195620 is 265916586614.

It can be written as a sum of positive squares in 2 ways, for example, as 1505494644196 + 2661361551424 = 1226986^2 + 1631368^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4166856195620.

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, 104171404871 + ... + 104171404910.

It is an arithmetic number, because the mean of its divisors is an integer number (729199834237).

Almost surely, 2^{4166856195620} is an apocalyptic number.

It is an amenable number.

4166856195620 is an abundant number, since it is smaller than the sum of its proper divisors (4583541815224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4166856195620 is a wasteful number, since it uses less digits than its factorization.

4166856195620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208342809790 (or 208342809788 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 4166856195620 in words is "four trillion, one hundred sixty-six billion, eight hundred fifty-six million, one hundred ninety-five thousand, six hundred twenty".