166834670116 has 27 divisors (see below), whose sum is σ = 293320791057. Its totient is φ = 83030529120.

The previous prime is 166834670113. The next prime is 166834670131. The reversal of 166834670116 is 611076438661.

The square root of 166834670116 is 408454.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4831640100 + 162003030016 = 69510^2 + 402496^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166834670116.

It is not an unprimeable number, because it can be changed into a prime (166834670113) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 270396240 + ... + 270396856.

Almost surely, 2^166834670116 is an apocalyptic number.

166834670116 is the 408454-th square number.

It is an amenable number.

166834670116 is a deficient number, since it is larger than the sum of its proper divisors (126486120941).

166834670116 is an frugal number, since it uses more digits than its factorization.

166834670116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 166834670116 by its sum of digits (49), we get a square (8174898835684 = 2859178²).

The spelling of 166834670116 in words is "one hundred sixty-six billion, eight hundred thirty-four million, six hundred seventy thousand, one hundred sixteen".