166870203352 has 16 divisors (see below), whose sum is σ = 321337892160. Its totient is φ = 81180098784.

The previous prime is 166870203349. The next prime is 166870203361. The reversal of 166870203352 is 253302078661.

It is a junction number, because it is equal to n+sod(n) for n = 166870203299 and 166870203308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281875048 + ... + 281875639.

It is an arithmetic number, because the mean of its divisors is an integer number (20083618260).

Almost surely, 2^166870203352 is an apocalyptic number.

It is an amenable number.

166870203352 is a deficient number, since it is larger than the sum of its proper divisors (154467688808).

166870203352 is a wasteful number, since it uses less digits than its factorization.

166870203352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563750730 (or 563750726 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 166870203352 in words is "one hundred sixty-six billion, eight hundred seventy million, two hundred three thousand, three hundred fifty-two".