166066652 has 6 divisors (see below), whose sum is σ = 290616648. Its totient is φ = 83033324.

The previous prime is 166066643. The next prime is 166066697. The reversal of 166066652 is 256660661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20758328 + ... + 20758335.

It is an arithmetic number, because the mean of its divisors is an integer number (48436108).

Almost surely, 2^166066652 is an apocalyptic number.

It is an amenable number.

166066652 is a deficient number, since it is larger than the sum of its proper divisors (124549996).

166066652 is a wasteful number, since it uses less digits than its factorization.

166066652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41516667 (or 41516665 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 166066652 is about 12886.6850663776. The cubic root of 166066652 is about 549.6600124664.

The spelling of 166066652 in words is "one hundred sixty-six million, sixty-six thousand, six hundred fifty-two".