166008712 has 8 divisors (see below), whose sum is σ = 311266350. Its totient is φ = 83004352.

The previous prime is 166008709. The next prime is 166008737. The reversal of 166008712 is 217800661.

It can be written as a sum of positive squares in only one way, i.e., 106626276 + 59382436 = 10326^2 + 7706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375537 + ... + 10375552.

Almost surely, 2^166008712 is an apocalyptic number.

It is an amenable number.

166008712 is a deficient number, since it is larger than the sum of its proper divisors (145257638).

166008712 is a wasteful number, since it uses less digits than its factorization.

166008712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20751095 (or 20751091 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 166008712 is about 12884.4368134583. The cubic root of 166008712 is about 549.5960802937.

The spelling of 166008712 in words is "one hundred sixty-six million, eight thousand, seven hundred twelve".