166685333332 has 48 divisors (see below), whose sum is σ = 338502640000. Its totient is φ = 70337849472.

The previous prime is 166685333329. The next prime is 166685333371. The reversal of 166685333332 is 233333586661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4282294 + ... + 4321042.

Almost surely, 2^166685333332 is an apocalyptic number.

It is an amenable number.

166685333332 is an abundant number, since it is smaller than the sum of its proper divisors (171817306668).

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

166685333332 is a wasteful number, since it uses less digits than its factorization.

166685333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41120 (or 41118 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 49.

The spelling of 166685333332 in words is "one hundred sixty-six billion, six hundred eighty-five million, three hundred thirty-three thousand, three hundred thirty-two".