166870350170 has 16 divisors (see below), whose sum is σ = 300376263168. Its totient is φ = 66745999440.

The previous prime is 166870350149. The next prime is 166870350197. The reversal of 166870350170 is 71053078661.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81515 + ... + 583425.

It is an arithmetic number, because the mean of its divisors is an integer number (18773516448).

Almost surely, 2^166870350170 is an apocalyptic number.

166870350170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166870350170 is a deficient number, since it is larger than the sum of its proper divisors (133505912998).

166870350170 is a wasteful number, since it uses less digits than its factorization.

166870350170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535165.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 166870350170 in words is "one hundred sixty-six billion, eight hundred seventy million, three hundred fifty thousand, one hundred seventy".