166833685356 has 48 divisors (see below), whose sum is σ = 420132665568. Its totient is φ = 51222067200.

The previous prime is 166833685331. The next prime is 166833685363. The reversal of 166833685356 is 653586338661.

It is a self number, because there is not a number n which added to its sum of digits gives 166833685356.

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, 1088005 + ... + 1231836.

It is an arithmetic number, because the mean of its divisors is an integer number (8752763866).

Almost surely, 2^166833685356 is an apocalyptic number.

It is an amenable number.

166833685356 is an abundant number, since it is smaller than the sum of its proper divisors (253298980212).

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

166833685356 is a wasteful number, since it uses less digits than its factorization.

166833685356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320322 (or 2320320 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 60.

The spelling of 166833685356 in words is "one hundred sixty-six billion, eight hundred thirty-three million, six hundred eighty-five thousand, three hundred fifty-six".